"Carolyn of the sunny heart" by Ruth Belmore Endicott and Edward C. Caswell presents a captivating work of classic fiction, weaving together elements of heartwarming family life with an intriguing mystery. This enduring tale invites readers to explore the adventures of a young girl, whose experiences are deeply intertwined with the loyalty of a beloved dog and the close-knit dynamics of her family. Set against the unique backdrop of Block Island, the narrative unfolds with a blend of gentle charm and engaging excitement. The story delves into a compelling mystery, offering twists and turns that will captivate those who appreciate well-crafted puzzles within a family-oriented setting. Through Carolyn's journey, readers encounter themes of discovery, courage, and the special bond between girls and their canine companions. This meticulously prepared print edition ensures the timeless appeal of a story that remains as enchanting today as ever. It is an ideal read for anyone seeking a classic adventure rich with character, a delightful animal story, and a mystery that keeps the pages turning, all nestled within a vivid portrayal of family life and a memorable island setting.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.