Secret Coders by Gene Luen Yang and Mike Holmes (gr. 4 and up) ►►►                          

■ Hopper, Eni, and Josh attend creepy Stately Academy where there always is a mystery to investigate. While the plot unfolds, readers (along with the book's characters) learn to code in order to unlock a clue or save themselves from danger. The graphic novel format pairs well with visual panels illustrating coding concepts.