Otto at sea, 1936 title page (William Pène du Bois)
The planet of lost things, c1981 title page (William Pène du Bois)
NY Times obit., 2/7/93 (William Pene du Bois; died Feb. 5, 1993)
Wikipedia, Sept. 30 2011 (William Pène du Bois; born May 9, 1916 in Nutley, N.J.; died February 5, 1993 in Nice, France; a French American author and illustrator. He was best known for The Twenty-One Balloons, published in April 1947. From 1953 to 1960, he worked as the art editor for The Paris Review. Pène du Bois illustrated books written by Jules Verne, Isaac Bashevis Singer, Rumer Godden, Claire Huchet Bishop and John Steinbeck, as well as magazine articles and advertisements)