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.

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.

A writer’s conference brings twelve-year-old Lark’s favorite writer—and a suspicious death—to Swallowtail Island, in the second book in this middle grade mystery series by an Edgar Award-nominated author.
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...

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...

With their father en route to Africa for Doctors Without Borders, city-kids Nicholas and younger twin sisters Haley and Hetty are off to spend the summer with their Great-Uncle Nick at his house on Forsaken Lake. Despite some initial doubts, Nicholas is right at home in the country: he learns to sail, learns about his father as a boy, and makes fast friends with a local-girl, the tomboy Charlie.
The summer takes a turn toward the mysterious, though,...

Seventh-graders Sophie, Margaret, Rebecca, and Leigh Ann follow a trail of clues to locate a rare violin, catch the person sneaking into St. Veronica's School for late-night cleaning and redecorating, and outsmart a conniving classmate.

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 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
It all...