9780545067645 | Pck slp edition (Scholastic Prof Book Div, September 1, 2007), cover price $64.95

9780694016419 | Harpercollins Childrens Books, March 1, 2002, cover price $3.99 | About this edition: After seeing a cute little ladybug on his windowsill, Harold uses his special purple crayon to draw a gigantic garden in which he can play, but he soon feels quite small when he encounters a rather large and famished frog, and a colossal ant.

9780613504393 | Turtleback Books, August 1, 2002, cover price $13.55 | About this edition: Harold uses his purple crayon to explore a ladybug's world, planting seeds which grow into giant flowers, befriending an ant, and rescuing his ladybug friend from a spider's web.

9780694016426 | Harperfestival, January 1, 2002, cover price $3.99 | About this edition: Harold uses his purple crayon to search for a birthday present for his mother, voyaging to a forest, a stream, a bridge, a field, and finally to the perfect gift.

9780606244404 | Demco Media, April 1, 2002, cover price $12.50 | About this edition: Harold uses his purple crayon to search for a birthday present for his mother, voyaging to a forest, a stream, a bridge, a field, and finally to the perfect gift.

9780613504119 | Turtleback Books, August 1, 2002, cover price $12.35 | About this edition: Harold uses his purple crayon to search for a birthday present for his mother, voyaging to a forest, a stream, a bridge, a field, and finally to the perfect gift.

9780694015962 | Harperfestival, September 1, 2001, cover price $6.95 | About this edition: As Sargeant Sniff is preparing a Thanksgiving feast for her friends, she is summoned to Farmer Fur's farm to investigate a missing pumpkin.

9780694015085 | Harperfestival, March 1, 2001, cover price $6.95 | About this edition: Sergeant Sniff's friends must use their sense of smell to find the Easter candy she has hidden in her garden, especially the coconut egg she put in a special place.

9780613328432, titled "Monkey's Miserable Monday" | Turtleback Books, March 1, 2001, cover price $11.50

9780439165273 | Scholastic Prof Book Div, February 1, 2001, cover price $2.25

9780439165365 | Scholastic Prof Book Div, February 1, 2001, cover price $2.25

9780694015078 | Harperfestival, December 1, 2000, cover price $6.95 | About this edition: Sergeant Sniff, the sleuthing skunk, uses her common scents to sniff out a holiday mystery, in which readers can follow along by scratching seven different scented clues.

9780694015122 | Harperfestival, September 1, 2000, cover price $6.95 | About this edition: Although Sergeant Sniff promises not to open Detective Dog's gift until Christmas, that doesn't stop her from using her sense of smell to find out what's inside, but there are many other holiday odors in the air to confuse her.

9780694015139 | Harperfestival, August 1, 2000, cover price $6.95 | About this edition: Sergeant Sniff the skunk uses her fine sense of smell to find Captain Cat's missing prize at Officer Owl's Halloween party.