The Ancient Formula: A Mystery with Fractions

By Melinda Thielbar and Tintin Pantoja

A puzzle left behind by Sifu Faiza's grandfather has everyone stumped. A circle divided into wedges shows part of the formula for an ancient medicine. But some of the wedges are blank, and no one knows how or why the original formula disappeared! Joy, Adam, Amy, and Sam will have to use clues—and fractions—to discover the truth about . . . The Ancient Formula.

• Language: English
• Publisher: Lerner Publishing
• Release date: Aug 1, 2010
• ISBN: 9780761362265

Melinda Thielbar

Melinda Thielbar is a writer, teacher, statistician, and student of the martial arts. Manga Math Mysteries, including The Kung Fu Puzzle and The Secret Ghost is her first children’s series. In 2005, Melinda left SAS to finish a PhD in statistics. She was awarded a VIGRE fellowship at North Carolina State University. This fellowship is awarded to students likely to make a strong contribution to education in the mathematics and statistics field. Again, Melinda earned a fantastic reputation in the classroom. Her statistics lectures and examples were known for their ability to hold her students' interest—no easy task in a statistics for non-majors class that's held at 8:00am. Melinda lives in Raleigh, North Carolina with her husband, writer Richard Dansky, and their three cats. She is currently working on the research portion of her PhD.