Three weeks have passed since the events of Underdogs. The British population continues its imprisonment in Nicholas Grant's giant walled Citadels, under the wa

In a city gone to the dogs … get yourself a cat.​​ The Underdog Detective Agency has a proud tradition of sniffing out trouble (plus sniffing each other�

From the writer of the bestselling Dragon Masters series and the illustrator of the bestselling Diary of a Pug series comes a high-energy, illustrated chapter b

“The Underdogs will have young readers HOWLING with laughter, SNIFFING for clues, and BARKING with delight.” —Andrew McDonald and Ben Wood, creators of th

Who killed Annabel Harper? When a popular teen beauty’s body is discovered by the pool at an elite tennis club, the regulars are shocked—especially twelve-y