Double-cross mazes are even more maddening and mind-bending than the mazes in the author's previous top-selling books, "Maze Mania, Monster Mazes" and "Mastermi

Overweight and non-athletic, twelve-year-old Hale may have been born and raised to be a spy for the Sub Rosa Society but it seems he is unlikely to become a Fie

With a hilarious and charismatic cast of characters, this start to a fresh middle grade action-adventure series is part Spy Kids and all fun! Everyone in twelve

A daily-problem format makes it easy to coach students quickly on the math skills they need for standardized tests. Includes reproducibles.

D-Dag var ikke kun et resultat af synlige militære operationer, men også i høj grad af efterretningsvæsen og dobbeltagenter