The perfect series for kids who loved THE LEMONADE WAR series and are ready for more mysteries! Edgar Award Nominee for Best Mystery! "With wit, cunning, snappy

Josef Fritzl was a 73-year-old retired engineer in Austria. He seemed to be living a normal life with his wife, Rosemarie, and their family—though one daughte

A young brother and sister are involved in the danger and excitement of revolutionary times in New York City.

When Sophie finds a secret message in the antique fountain pen she bought for her father, she and her friends become involved in a treasure hunt devised by the

The perfect series for kids who loved THE LEMONADE WAR series and are ready for more mysteries! "With wit, cunning, snappy dialogue and superior math skills, Th