The Red Blazer Girls by Michael D. Bill

Beil, Michael. (2009). The Red Blazer Girls. Alfred A. Knopf: New York. ISBN 978-0-375-84814-8

Sophie, Margaret, and Rebecca are three seventh-grade girls who attend St. Veronica’s, an all-girl Catholic school on the Upper East of Manhatten. When our narrator, Sophie, spots a mysterious face in the window of the school church during English class, the girls decide to investigate. But instead of solving that mystery, they discover another that involves the loss of an ancient piece of jewelry: The Ring of Rocamadour. They must solve tricky riddles, puzzles, and math problems to reclaim the prize, but with danger and intrigue around every corner, the girls decide they need help. They find it in their childhood friend, the very cute Rafael and the new girl Leigh Ann, who might be just too pretty for her own good. Quirky characters, hilarious situations, and characters with a pitch perfect middle school voice make the Red Blazer Girls one you will want to share with a friend. The first of a series, this book is for ages ten and up.