No. 4i n the popular and collectible ‘The Observer’s Book…’ of series published by Frederick Warne.
This book is in great condition inside but cover and first few pages are showing their age and wear and tear, printed in 1960 but originally published in 1937. No dust jacket, textured cover
Read more about the book series here https://en.wikipedia.org/wiki/Observer%27s_Books
The Observer's Book Of Trees - 1960