Bücher verfasst by D.Z. Mah

Billy Chan and the Little Lost Orcoose

Pippa Parvin and the Mystery of the Ruined Corridor

Mage Academy

Mage Academy

Billy Chan Goes Where the Sheelephants Roam

The Pippa the Werefox Mysteries

Pippa Parvin and the Mystery of the Vanished Matchbox Car

Pippa Parvin and the Mystery of the Stolen Lunches

Pippa Parvin and the Mystery of the Missing Quill Pen

Billy Chan Goes to the World of the Felidavians

Billy Chan and the Fronine Invasion

Pippa Parvin and the Mystery of the Dying Trees

Billy Chan and the Walrar Bear Abduction

Billy Chan and the Stinky Goatopus

Billy Chan Chases a Burkey Through Albuquerque

The Adventures of Billy the Chimera Hunter

Pippa Parvin and the Mystery of the Missing Pencil

Billy Chan and the Case of the Pengurtles

Pippa Parvin and the Mystery of the Fork in the Garden

Pippa Parvin and the Mystery of the Family Journal

Mage Academy

Mage Academy

Mage Academy

Pippa Parvin and the Mystery of the Christmas Mischief

Billy Chan and the Clash of the Bungolins

Billy Chan Saves a Moark Named Mark

Pippa Parvin and the Mystery of the Stuffed Dinosaur

Pippa Parvin and the Mystery of the Missing Corgi Puppy

Mage Academy

Pippa Parvin and the Mystery of the Unidentified Flying Object

Billy Chan and the Giraffigator Showdown

Billy Chan and Operation Bager

Pippa Parvin and the Mystery of the Missing Wellies