Seacrow Island (original title: Vi på Saltkråkan) is a children's book written by Astrid Lindgren.
Family Melkersson from Stockholm goes to Seacrow Island to live at Carpenter's Cottage during their summer holidays.
While the 19-year-old daughter Malin, takes care of the house and goes on dates, her oldest brothers Johan and Niklas befriend with Teddy and Freddy who are living on the Island.
When Melker finally acquires a lot of money, for writing a book, the house seems to be sold already by the estate agent.
The book is based on the TV series Vi på Saltkråkan and the film Tjorven, Båtsman och Moses.
After thirty summer holidays at the Stockholm archipelago, Lindgren started to write Vi på Saltkråkan which takes place on a fictional island over there.