Swallowdale is a children's adventure novel by English author Arthur Ransome and first published by Jonathan Cape in 1931. The book features Walker siblings and Blackett sisters, camping in the hills and moorland country around a lake, with Maria Turner, the Blacketts' Great Aunt, acting as an antagonist. It is the second book in the Swallows and Amazons series; preceded by Swallows and Amazons and followed by Peter Duck.
from Wikipedia