“The authors have crafted a richly detailed and imaginative underground world in Murkmor, filled with whimsical and frightening creatures that are certain to intrigue and entertain their young readership. Their ability to transport readers into this vibrant realm showcases their highly original creativity and establishes a captivating backdrop for Harper's adventure.”

— K.C. Finn, Readers’ Favorite Reviews

“A charming, exciting, and entertaining adventure, Keeper of the Gremkat Key will appeal to all ages with strange, humorous, and dangerous obstacles that a young hero must face.”

— Liz Konkel, Readers’ Favorite Reviews

“Fans of fantasy adventures, myths, and legends will not want to miss out on this thrilling exploit filled with mysticism, friendship, and danger.”

— P. Rosenthal, Readers’ Favorite Reviews