Who can resist a story about a dog who so loved his master that he gave up his life? This exquisitely illustrated tale, based on the legend of Llywelyn, a thirteenth-century Welsh prince, and his loyal hound, Gelert, will keep young readers and listeners spellbound. Laurel Long joins the ranks of today's premier illustrators in her debut, adding incredible power to Lynn Cullen's spare but emotionally charged text. Each picture is like a precious treasure, revealing painstaking attention to detail, breathtaking color, and characters whose mutual love transcends the pages of this marvelous book. The Mightiest Heart is sure to be one of the best gifts to give young readers this fall. Lynn Cullen, author of several popular middle-grade novels, researched this story in Wales, where a monument to Gelert still stands. Laurel Long makes an outstanding debut as a picture book illustrator.