"Downriver" is a novel by Iain Lawrence that follows the journey of a young boy named Jesse who embarks on an adventure down a river. After a tragic event, Jesse and his friends decide to escape their troubles by navigating the river in a canoe. The story explores themes of friendship, loss, and the quest for self-discovery. As they travel, Jesse and his friends encounter various challenges and meet different characters along the way. The river serves as both a physical and metaphorical journey, reflecting their struggles and growth. Ultimately, "Downriver" highlights the importance of facing one's fears and the bonds that form through shared experiences.