You are bidding on a lot of 3 "A guide to Wild Flowers" and "A guide to Garden Flowers" that are hard cover that measure approx 5.5" x 3.5". The covers show age by some staining, discoloration, some worn spots on the edges and binding. Binding on all books are very secure. Published in 1945 in the USA. 
Titles: 
Wild Flowers Field Flowers
Woodland Flowers
Garden Flowers

I have not seen a listing for a lot of 3 in the series!

Please refer to photos.