Book #1 · Chapter Book · Ages 8–12 · 2026
Alvin's Secret Code
A mysterious note in spy code leads to a century-old mystery.
154 pages
$12.99Save 4%
Paperback
Summary: Alvin Fernald's sixth sense tingles when he discovers a crumpled note in spy code. With his friend Shoie and sister Daphne, Alvin dives into a century-old mystery. As they unravel the secrets, Alvin's Magnificent Brain is tested to its limits. Will they crack the code before it's too late? Join the trio on a thrilling adventure filled with cryptic clues and unexpected twists.










