The book rides a wave of intrigue and action from the opening sentence ("The boy appeared out of nowhere.") to the final page. Along the way, the author introduces concepts begging for discussion: family, friendship, honesty, cleverness, problem-solving, and more. Young fans of mystery and action will have difficulty putting the book down as its march toward the protagonist-antagonist showdown is relentless. A fun read that spirals in and out of the National Gallery, complete with QR codes that allow readers to see the various artworks that contribute to the plot. After a young boy is discovered in Washington D.C.'s National Gallery without any recollection of who he is, a high-stakes race begins to unravel the greatest mystery of all: his identity. Digitally interactive, this breathtaking museum mystery offers QR codes woven throughout the book that bring renowned paintings to readers' fingertips.