The Diamond Brothers

About The Diamond Brothers

Tim Diamond is London's worst private detective -- broke, hopeless, and permanently one step behind every case he takes. Luckily his much smarter kid brother Nick narrates the investigations and quietly does the actual detective work, dragging Tim through blackmail plots, kidnappings, and murder cases that are always several sizes too big for him. Anthony Horowitz wrote these before Alex Rider made him famous, and they read like it: gleefully silly hard-boiled parody, stuffed with puns, absurd villains, and plots that spoof noir detective fiction while still working as genuine, twisty mysteries in their own right.

Where Alex Rider plays espionage straight for thrills, the Diamond Brothers plays detective fiction for laughs -- Tim's incompetence and Nick's exasperated commentary are the engine of the comedy, while the mysteries themselves are constructed with real Horowitz craft underneath the jokes. It's a rare children's series that works as both a comedy and an actual fair-play mystery, and its send-up of Chandler-esque hardboiled tropes gives it a different flavor from anything else in Horowitz's catalogue.

Published across four decades, from 1986 to a surprise 2022 return, the series has stayed a cult favorite for readers who want their detective fiction with a much lighter touch than Alex Rider's globe-trotting spy plots.

How to read this series

Read in publication order, starting with The Falcon's Malteser (1986). Each book is a self-contained case, so strict order isn't required to follow any individual mystery, but Nick and Tim's dynamic and running gags build naturally across the series, and it's the way most editions present the books.

There's a long real-world gap between The Greek Who Stole Christmas (2007) and the surprise revival title Where Seagulls Dare (2022) -- both are full entries in the same continuous series featuring the same two brothers, just published fifteen years apart.