The Picts and the Martyrs first U.S. edition 1943
The original price was $2.50
Dedicated to "Aunt Helen C.F.C.A. Plus 100 A1. (These letters mean Certified First Class Aunt. There are aunts of all kinds, and all the good ones should be given certificates by their nephews and nieces to distinguish them from Uncertified Aunts, like Nancy's and Peggy's G.A.)". Aunt Helen was Ransome's own aunt who encouraged him to become a writer. Full details of the first edition here.