Families who loved Operation Trinity by Clifford Riley often look for books with a similar feel. These 20 recommendations were selected for their similarity in style, theme, and reading level.
Reach for this book when your child is ready to graduate from simple mysteries to complex, high-stakes adventures that bridge the gap between art history and global espionage. Operation Trinity is a fast-paced prequel to the 39 Clues series, weaving a dual narrative that spans from the 1400s to World War II. It centers on the protection of the Ghent Altarpiece, highlighting the Vesper-Cahill rivalry and the weight of a family legacy. Parents will appreciate how it fosters an appreciation for art conservation and historical preservation while modeling bravery and responsibility. It is highly appropriate for the middle-grade audience, offering a thrilling introduction to how the past and present are inextricably linked through secrets and puzzles.