Swallows and Amazons

Red Fox paperback 1993,2001
Cover illustration - Jack McCarthy
The 1993 price was 3.99 - this edition is readily available in the U.K.
The title pages include the "Author's Note" claiming that the story came solely from Ransome's own childhood.
Red Fox Classics Series 2001

Robert's home page
Ransome home page
Swallows and Amazons
Ransome Red Fox editions