The Mightiest Heart by Lynn Cullen buy used Used & Rare price $13.61 new from$24.89 shop with confidence SPECIAL SHIPPING CONSIDERATIONS FOR USED & RARE ITEMS. Please see the special considerations for shipping Used & Rare items, including extended delivery times, possible import duties & taxes. Delivered in 3-5 weeks Format: Hardcover Publisher: Dial Condition: The following ISBNs are associated with this title: ISBN - 10:0803722931 ISBN - 13:9780803722934 Seller Comments: Connecting readers with great books since 1972. Used books may not include companion materials, some shelf wear, may contain highlighting/notes, and may not include cd-rom or access codes. Customer service is our top priority! From the Publisher Based on a Welsh legend about Prince Llywelyn and his loyal dog Gelert, who is wrongly banished when the prince believes that the dog has attacked his son.