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middle-grade spooky adventure
Series · horror
The Goosebumps SlappyWorld series by R. L. Stine has 19 known books (19 published) and is best read in publication order, starting with Slappy Birthday to You (2017).
Start here: Slappy Birthday to You (2017) — then read straight through in publication order.
The date order of published books and any announced future entries — the default way to read the series.
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 YouAttack 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 JackI 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 TwinPlease 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 WeirdoEscape 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 MansionThe 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 SlappyIt'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!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 MummyRevenge 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 BoyDiary 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 DummyThey 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!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 SlappyMonster 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 BackFifth 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 ZombiesJudy 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 BeastSlappy 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 DreamlandHaunting 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 StarsNight 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 SquawkerFriiight 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 NightBy 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.
19 books, published from Slappy Birthday to You (Feb 2017) through Friiight Night (July 2023), which closed out the series.
Publication order, used here, though every book is a standalone story with a new protagonist, so you can start anywhere.
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.
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.
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.
Reading order last verified .