The above picture is "Cries of London" Primroses, Milk, Oranges painted on the fore-edge of the book: Poems, by the late William Cowper, Esq. of the Inner-Temple. London: 1820
A phenominal collection of fore-edge paintings, or painting on the edge of books, which is revealed when the pages are fanned out, from the Rare Books Department of the Boston Public Library, is online.
Cries of London. Poems by the late William Cowper, 1820
Man Fishing 1824
New York in 1750
New York in 1753
Philadelphia in 1750
Philadelphia in 1753
Street scene at Tyburn Turnpike, London
Boston Public Library's photostream