"Only Seven: The Book of Wisdom, or the Story of Sakari Kolistai" is a fascinating book by the Finnish writer Maia Lassila. The main character, Sakari Kolistaya, is a particularly intelligent and interesting character who has gone through a difficult path in elevating his spirituality and wisdom. The author successfully combines philosophy, psychology and an adventure story, revealing important questions of life and self-discovery through the lens of the main character's personal destiny. The book "Only Seven: The Book of Wisdom, or the Story of Sakari Kolistai" will leave you enthralled and touch the deepest thoughts about the nature of the human soul and the world around us.