The Transmogrification of Roscoe Wizzle by David Elliott. (2001)
Roscoe Wizzle used to be a normal ten-year-old kid - he went to school, did his homework, ate burgers, and hung out with his best friend. He was probably a lot like you - until he started turning into a bug!
The Mysteries of Spider Kane by Mary Pope Osborne. (2006)
Two Stories: Spider Kane and the Mystery Under the May-Apple: With the help of a spider, a moth, and two ladybug friends, a young butterfly tries to uncover the mystery involving a gossamer-winged butterfly with whom he has fallen in love.
Spider Kane and the Mystery at Jumbo Nightcrawler's: Lieutenant Leon Leafwing and Detective Spider Kane investigate the mysterious disappearance of Leon's mother and members of the Order of the Moth.A Beginning, a Muddle and an End by Avi. (2008)
Avon the snail decides to become a writer with the help of his friend Edward the ant, which leads them into a series of adventures involving close encounters with an anteater, a crow, a tree frog, and a hungry fish.
Secrets of Dripping Fang: The Onts by Dan Greenburg. (2005)
Ten-year-old orphan twins Wally and Cheyenne Shluffmuffins have a hard time at Cincinnati's Jolly Days orphanage, but things get much worse when the Mandible sisters offer to share their home in the Dripping Fang Forest.