"Nan Sherwood at Pine Camp: Or, The Old Lumberman's Secret" by Annie Roe Carr is a thrilling young adult adventure novel that transports readers to the enchanting Pine Camp, where mystery and friendship intertwine amidst the towering pine forests. Carr, a master of fiction for young audiences, weaves a captivating narrative filled with excitement, mystery, and the timeless virtues of courage and friendship. Set in the idyllic surroundings of a summer camp, the novel follows the spirited Nan Sherwood as she embarks on a quest to uncover the secrets of the old lumberman. Alongside her friends, Nan navigates the rugged terrain of Pine Camp, encountering challenges, dangers, and unexpected twists along the way. As Nan and her companions unravel the mysteries of the camp and the enigmatic lumberman, they forge bonds of friendship that are tested by the trials they face. With courage and determination, they confront the unknown, learning valuable lessons about trust, loyalty, and the power of teamwork. Through its blend of adventure, mystery, and camaraderie, "Nan Sherwood at Pine Camp" captivates readers of all ages, offering an unforgettable journey into the heart of the wilderness and the depths of the human spirit.