Del Rio delivers another rollicking adventure with this sequel...Staehle's abundant etchinglike illustrations play on the story's humor and drama, resulting in a mystery that is fresh and imaginative.-Booklist
This skillfully executed novel filled with magic and humor is a high-quality offering for reluctant readers and fans of Lemony Snicket.-School Library Journal
In a double-columned narrative festooned throughout with macabre green-and-black illustrations that thicken the Gothic air considerably...dismal turns abound.... Another entry in the 'unfortunate events' genre, kitted out with atmospheric art, unusual book design, and a wonderfully homely protagonist.-Kirkus Reviews
Our son has never in his life been hooked on a book more than with Warren the 13th.-Dad Suggests
Praise for Warren the 13th and the All-Seeing Eye
An engaging mystery to unravel, with a few nice twists and surprises along the way. . . . It's a fair bet that for many the main attraction of Warren the 13th and the All-Seeing Eye will be Staehle's lavish illustrations.-New York Times Book Review
A whimsical mystery with a lot of heart and spine-tingling illustrations, this novel will circulate as soon as children open it.-School Library Journal, Starred Review
The riveting story had interesting characters, riddles, and lots of drama. Readers will get caught up in the mystery and will want to keep turning pages to find out what happens next.-Nicolas Curry, Kid Reporter for Time for Kids
Beautifully and amusingly designed and illustrated, featuring a plot filled with twists and riddles, this clever tale of mysterious goings-on at a run-down hotel proves to be an unlikely winner.-Common Sense Media, 4 out 5 stars
An adventure with echoes of classic children's titles like Raskin's The Westing Game and Dahl's The Witches. . . . Stylish, exciting, funny, and just slightly macabre, this entertaining novel bodes well for Warren's future adventures.-Publishers Weekly