"Sumno" (original title "Homesick") is a fascinating book written by Lynne Venable, which tells the story of two friends who decide to spend the summer together in a Ukrainian camp for children from a family that moved for altruistic reasons. This book explores themes of friendship, self-discovery, alienation and finding one's place in the world, raising questions about what it really means to be at home. Sadness is a moving and important book that will leave you thinking about the meaning of home and belonging.