A lot of three Susan M Coolidge books -
What Katy Did - Vintage Armada PB , 1967 PB edition, light edgewear only
What Katy Did Next - A hardcover Blackie Reprint, undated, but probably 1940's of Susan Coolidge's 1886 novel, the sequel to What Katy Did and What Katy Did at School.
Condition - Good, there is some age spotting to the page block, light edgewear to the blue cloth covers, titles in gold to spine , illustrated internally with a series of period colour plates.
What Katy Did at School ( Hardcover in Dustjacket) - edgewear to covers, esp to base and top of spine - Published by Ward Lock UK, undated but probable 1930's