Catholic-schooled seventh-graders Sophie, Margaret, Rebecca, and Leigh Ann help an elderly neighbor solve a puzzle her father left for her estranged daughter twenty years ago.

Twelve-year-old Nicholas and his ten-year-old twin sisters, Hetty and Haley, spend the summer with their Great-Uncle Nick at Forsaken Lake, where he and their new friend Charlie investigate the truth about an accident involving their families many years before.

Swallowtail Island is hosting the Swallowtales Writer's Conference. Lark's ecstatic to be chosen as a "page" for her favorite author, Ann E. Keyhart. But they say you should never meet your idols. When Keyhart arrives with her personal assistant in tow, she is nothing but a terror. And within a few hours, the assistant is dead! But the explanation isn't sitting well. Not when lots of people had reasons to want to be rid of Keyhart, and especially...

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, The Red Blazer Girls represent the best of girl-detectives while still feeling relatable and real. Nancy Drew would be right at home with this group." — Huffington Post's 15 Greatest Kid Detectives List
When there are mysteries to be solved, 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, The Red Blazer Girls represent the best of girl-detectives while still feeling relatable and real. Nancy Drew would be right at home with this group." — Huffington Post's 15 Greatest Kid Detectives List
Sophie, Margaret, Becca, and Leigh Ann are back...

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 pen's previous owner, whose house is full of puzzles that protect a hidden treasure.

After witnessing a bank robbery, Andy is recruited by a secret organization that finds and eliminates evil.