What the Dinosaurs Did on Halloween

It's the spookiest night of the year and the prehistoric tricksters of the bestselling What the Dinosaurs Did series have one goal--stocking up on candy!

Who's that knocking on your door? It may look like a skeleton, or a ghost, or a wolfman, but watch out--it might be DINOSAURS. The dinosaurs are after your candy, and they're willing to go to outrageous lengths to get it. Be careful! If they don't get their treats, things could get tricky ...

Don't miss the dinosaurs' other misadventures!
What the Dinosaurs Did Last Night: A Very Messy Adventure
What the Dinosaurs Did at School
What the Dinosaurs Did the Night Before Christmas

Binding Type: Hardcover
Publisher: Little, Brown Books for Young Readers
Published: 07/21/2026
ISBN: 9780316577533
Pages: 40
Size: 11.25h x 8.75w x 0.38d

Review Citations: Kirkus Reviews 05/01/2026