(The Crown Heist) "Another strong entry in a consistently appealing series. The balance of character work, nifty art facts, and propulsive mystery-solving remains impeccable. Fans will be delighted." — Kirkus Reviews
(The Van Gogh Deception) "A mash-up of high culture, high tech, mystery and action . . . readers ages 9-13 will relish every surprise turnabout." — Wall Street Journal
(The Van Gogh Deception) "A suspenseful mystery romp with art appreciation and heartening trust in readers' intelligence." — Kirkus Reviews (starred review)
(The Rembrandt Conspiracy) "[A] mixture of propulsive plotting, dynamic character work, and nifty art facts." — Kirkus Reviews
(The Secrets of Shakespeare's Grave) "A fine traditional mystery with a modern sensibility." — Booklist