Johannes Vermeer’s famous painting, A Lady Waiting, has been stolen, and everyone looks suspicious. Can classmates Calder and Petra piece together the clues and find the painting?

Blue Balliett’s mystery, Chasing Vermeer, presents a puzzle within a puzzle. Pentominoes, codes, and hidden clues fill this novel. Discoveries await math whizzes and art lovers alike. Illustrator Brett Helquist joins the fun as well and hides additional clues throughout his artwork.