Geronimo Stilton: Creepella von Cacklefur
middle-grade spooky adventure
Series · horror
Goosebumps SlappyWorld
The Goosebumps SlappyWorld series by R. L. Stine has 19 known books (19 published). It is best read in publication order, starting with Slappy Birthday to You (2017).
- Books
- 19 known books (19 novels)
- Published
- 19
- First published
- 2017
- Status
- completed
- Shelved under
- Horror
Start here: Slappy Birthday to You (2017)
— then read straight through in publication order.
Reading order
The date order of published books and any announced future entries — the default way to read the series.
- Book 1:
Slappy Birthday to You
Slappy Birthday to You (February 2017) opens Goosebumps SlappyWorld, R.L. Stine's relaunch built around Slappy the living ventriloquist dummy, and reveals Slappy's own twisted origin story. At 160 pages, it's the first of nineteen books that would run six years, the longest of the post-2000s Goosebumps lines. Alternative text for cover: Cover of Slappy Birthday to You - Book 2:
Attack of the Jack
Attack of the Jack (June 2017) is the second SlappyWorld book, one of the entries that rotates in a fresh, unconnected monster -- here a living jack-o'-lantern -- to keep the format from feeling like a single Slappy story. It runs 113 pages, between Slappy Birthday to You and I Am Slappy's Evil Twin . Alternative text for cover: Cover of Attack of the Jack - Book 3:
I Am Slappy's Evil Twin
I Am Slappy's Evil Twin (September 2017) is the third SlappyWorld book, one of the Slappy-centered entries that build on the dummy's established, wisecracking personality across the series. It runs 160 pages, following Attack of the Jack . Alternative text for cover: Cover of I Am Slappy's Evil Twin - Book 4:
Please Do Not Feed the Weirdo
Please Do Not Feed the Weirdo (2018) is the fourth SlappyWorld book, one of the roughly half of the series' entries that introduce a fresh, unconnected monster instead of Slappy himself. It runs 160 pages, coming before Escape from Shudder Mansion . Alternative text for cover: Cover of Please Do Not Feed the Weirdo - Book 5:
Escape from Shudder Mansion
Escape from Shudder Mansion (2018) is the fifth SlappyWorld book, continuing R.L. Stine's format of a self-contained scare with a new kid protagonist in each entry. It runs 136 pages. Alternative text for cover: Cover of Escape from Shudder Mansion - Book 6:
The Ghost of Slappy
The Ghost of Slappy (2018) is the sixth SlappyWorld book, another entry built around the living dummy who had become Goosebumps' most popular villain by the time this relaunch line began. At 160 pages, it follows Escape from Shudder Mansion . Alternative text for cover: Cover of The Ghost of Slappy - Book 7:
It's Alive! It's Alive!
It's Alive! It's Alive! (2019) is the seventh SlappyWorld book, one of the entries that keeps the format fresh with a monster unconnected to Slappy. It runs 134 pages, between The Ghost of Slappy and The Dummy Meets the Mummy . Alternative text for cover: Cover of It's Alive! It's Alive! - Book 8:
The Dummy Meets the Mummy
The Dummy Meets the Mummy (July 2019) is the eighth SlappyWorld book, pairing Slappy the living dummy with another classic Goosebumps monster type, the mummy. It runs 142 pages. Alternative text for cover: Cover of The Dummy Meets the Mummy - Book 9:
Revenge of the Invisible Boy
Revenge of the Invisible Boy (2019) is the ninth SlappyWorld book, roughly the halfway point of the nineteen-book line, continuing the series' mix of Slappy-centered stories and fresh, unconnected monsters. It runs 160 pages, coming before Diary of a Dummy . Alternative text for cover: Cover of Revenge of the Invisible Boy - Book 10:
Diary of a Dummy
Diary of a Dummy (March 2020) is the tenth SlappyWorld book, another entry built around Slappy's wisecracking, egotistical voice, which narrates or dominates several books in the line. It runs 145 pages, following Revenge of the Invisible Boy . Alternative text for cover: Cover of Diary of a Dummy - Book 11:
They Call Me the Night Howler!
They Call Me the Night Howler! (2020) is the eleventh SlappyWorld book, one of the entries that rotates in a monster unconnected to Slappy to keep the format varied. It runs 160 pages. Alternative text for cover: Cover of They Call Me the Night Howler! - Book 12:
My Friend Slappy
My Friend Slappy (October 2020) is the twelfth SlappyWorld book, one of the Slappy-focused entries that build on the dummy's established personality across the series. It runs 160 pages, between They Call Me the Night Howler! and Monster Blood Is Back . Alternative text for cover: Cover of My Friend Slappy - Book 13:
Monster Blood Is Back
Monster Blood Is Back (2021) is the thirteenth SlappyWorld book, reviving a classic Goosebumps monster within R.L. Stine's SlappyWorld format of a new kid protagonist and a self-contained scare. It runs 135 pages. Alternative text for cover: Cover of Monster Blood Is Back - Book 14:
Fifth Grade Zombies
Fifth Grade Zombies (2021) is the fourteenth SlappyWorld book, bringing the vengeful zombie class referenced among the series' rotating monsters into a fifth-grade classroom. It runs 134 pages, coming before Judy and the Beast . Alternative text for cover: Cover of Fifth Grade Zombies - Book 15:
Judy and the Beast
Judy and the Beast (September 2021) is the fifteenth SlappyWorld book, one of the entries that keeps the nineteen-book line from feeling like a single Slappy story by introducing a fresh, unconnected threat. It runs 130 pages. Alternative text for cover: Cover of Judy and the Beast - Book 16:
Slappy in Dreamland
Slappy in Dreamland (2022) is the sixteenth SlappyWorld book, another of the entries built on Slappy's established, snarky voice as the series headed toward its 2023 conclusion. It runs 160 pages, following Judy and the Beast . Alternative text for cover: Cover of Slappy in Dreamland - Book 17:
Haunting with the Stars
Haunting with the Stars (2022) is the seventeenth SlappyWorld book, continuing R.L. Stine's format of a self-contained scare with a new protagonist as the nineteen-book line neared its end. It runs 123 pages. Alternative text for cover: Cover of Haunting with the Stars - Book 18:
Night of the Squawker
Night of the Squawker (2023) is the eighteenth SlappyWorld book, bringing the squawking bird-monster referenced among the series' rotating threats into the penultimate entry before the line's finale. It runs 160 pages. Alternative text for cover: Cover of Night of the Squawker - Book 19:
Friiight Night
Friiight Night (July 2023) closes out the nineteen-book Goosebumps SlappyWorld line after six years, the last numbered Goosebumps book before R.L. Stine retired Slappy as the brand's central mascot with the following Goosebumps House of Shivers line. It runs 160 pages. Alternative text for cover: Cover of Friiight Night
Key facts about the Goosebumps SlappyWorld series
Our list has 19 books in the Goosebumps SlappyWorld series. Since all 19 are out now, you can read the whole list today.
Start with Slappy Birthday to You, since it opens the publication order in 2017. Attack of the Jack is book 2, from 2017. I Am Slappy's Evil Twin is book 3, from 2017.
Please Do Not Feed the Weirdo is book 4, from 2018. Escape from Shudder Mansion is book 5, from 2018. The Ghost of Slappy is book 6, from 2018.
It's Alive! It's Alive! is book 7, from 2019, while The Dummy Meets the Mummy is book 8, from 2019. Revenge of the Invisible Boy is book 9, from 2019.
Diary of a Dummy is book 10, from 2020, while They Call Me the Night Howler! is book 11, from 2020. My Friend Slappy is book 12, from 2020. Since the list above shows all 19, you can find the rest there.
The list keeps the books in date order, while each title links to its own page. Each book page shows its dates and editions. Since the catalogue marks the series as complete, we list no next book.
The books came out between 2017 and 2023, while their length runs from 113 to 160 pages. That is a run of 6 years.
R. L. Stine has 236 books on our list. Additionally, they write Fear Street, Goosebumps and Goosebumps Series 2000, plus 8 more series. We shelve the books under horror.
About the Goosebumps SlappyWorld series
By 2017, Slappy the living ventriloquist dummy had become Goosebumps' most popular villain, and R.L. Stine built an entire relaunch line around him: Goosebumps SlappyWorld. Slappy appears, causes chaos, or looms over roughly half the books in the series, from Slappy Birthday to You (which reveals his own twisted origin story) through spin-offs putting his personality into new bodies and settings -- while the remaining books rotate in fresh, unconnected monsters (a living jack-o'-lantern, a vengeful zombie class, a squawking bird-monster) to keep the format from feeling like a single 19-book Slappy story.
Each entry is a self-contained scare with a new kid protagonist, in keeping with every earlier Goosebumps line, but SlappyWorld leans harder into humor than its predecessors -- Slappy's wisecracking, egotistical voice narrates or dominates several entries, giving the line a snarkier tone alongside its frights. It became the longest-running of the post-2000s Goosebumps relaunches, running six years (2017-2023) across 19 books before concluding with Friiight Night.
SlappyWorld was, as of 2023, the last numbered Goosebumps line before R.L. Stine moved to an entirely new line-up of villains with Goosebumps House of Shivers, which retired Slappy as the brand's central mascot in favor of new monsters.
Frequently asked questions
How many books are in Goosebumps SlappyWorld?
19 books, published from Slappy Birthday to You (Feb 2017) through Friiight Night (July 2023), which closed out the series.
What order should I read Goosebumps SlappyWorld in?
Publication order, used here, though every book is a standalone story with a new protagonist, so you can start anywhere.
Is every SlappyWorld book about Slappy?
No -- roughly half the books feature Slappy the living dummy in some form, while the rest introduce unconnected new monsters and threats, following the same format as earlier Goosebumps lines.
Is Goosebumps SlappyWorld finished?
Yes, it concluded with Friiight Night in July 2023. R.L. Stine launched the Goosebumps House of Shivers line later that year as its successor.
Is Goosebumps SlappyWorld connected to the original Goosebumps series?
It's the same R.L. Stine brand and Slappy himself first appeared in the original series (Night of the Living Dummy, 1993), but SlappyWorld is tracked as its own separate numbered series from the original run and the earlier Series 2000, HorrorLand and Most Wanted relaunches.
If you like the Goosebumps SlappyWorld series
Last updated