In the shop.....
Freaky Friday by Mary Rodgers, cover by Edward Gorey (1972).
Babar's Picnic by Laurent de Brunhoff (originally published in 1949, I think this edition is from the 1960s or so).Babar Visits Another Planet by Laurent de Brunhoff (1972).
M for Mischief by Richard Parker, illustrated by Carol Wilde (1965).
Ghosts and More Ghosts by Robert Arthur (1963).