Danny Dunn, scientific detective
Danny Dunn tries to track down the missing manager of the local department store with the aid of a bloodhound robot.
More by Jay Williams
Everyone Knows What a Dragon Looks Like
Danny Dunn and the Homework Machine
Petronella
Danny Dunn, time traveler
Danny Dunn, invisible boy
Magic Grandfather
The Practical Princess, and Other Liberating Fairy Tales
Danny Dunn and the Fossil Cave, No 11
A Bag Full of Nothing.
Danny Dunn and the universal glue
Sterling Point Books: Joan of Arc
The Hero from Otherwhere.