Levers, Pulleys and Engines - A Ladybird Junior Science Book 621
‘Levers, Pulleys and Engines’ by F.E.Newing and Richard Bowood. Illustrated by Robert Ayton. Published by Wills & Hepworth Ltd. No date. Reprint edition. Pictorial boards. No dust wrapper as issued. The book is in very good + condition with no marks or inscriptions. Light wear to the corners. Book 4 of series 621. This book is the last one listed on the rear cover. We have others from this series as well as other Ladybird titles.