Underwater Exploration - A Ladybird Achievements Book

‘Underwater Exploration - A Ladybird Achievements Book’ by Richard Bowood. Illustrated by B.Knight. Published by Wills & Hepworth Ltd. 1967. UK 1st edition.. Pictorial boards. No dust wrapper as issued. The book is in very good + condition with no marks or inscriptions. Book 10 of series 601 This book is the last one listed on the rear cover.