Ryoichi Murakami

Ryoichi Murakami is the founder and CEO of El Camino, a premier cram school in Tokyo. Many of his students go on to elite schools such as the University of Tokyo, and compete in the International Mathematical Olympiad. In addition to teaching at El Camino, Murakami is active in publishing, works as a puzzle maker, and writes questions for the Olympiad.

The Original Area Mazes
100 Addictive Puzzles to Solve with Simple Math—and Clever Logic!
by and and
Paperback | $8.95

Area mazes have taken Japan by storm, and it’s easy to see why. Prolific puzzle inventor Naoki Inaba has created a worthy successor to Sudoku: The rules are simple—but getting the answer can take all your creativity. Your quest is … Continue reading