Swallows & Amazons Book 12. The final book in Ransome’s acclaimed series. Once again, the children set out on an adventure (this one off the coast of Scotland) with a minimum of parental advice and interference. Here, the story centers on a desperate race to thwart the efforts of pernicious egg collectors threatening the survival of a pair of rare birds not previously known to nest in British waters. 45 illustrations by Ransome.