The book "Travels of Jakko Cook on the Pacific Ocean" by Antti Fredrik Hassel tells about the exciting adventures of the Finnish traveler Jakko Cook, who goes on an expedition to the Pacific Ocean. During his journey, he meets danger, friendly peoples, incredible nature and huge ocean animals. The author describes in detail the cultures and rituals of local residents, creating a picturesque image of ancient times. This book captivates the reader and sends him on a fascinating journey into the past.