The Sins of Philip Fleming in Mass Market Paperback format by Wallace, Irving. Published by Random House Books for Young Readers in 1961. Available in New condition.
Irving Wallace was an American bestselling author and screenwriter. His extensively researched books included such page-turners as The Chapman Report (1960), about human sexuality; The Prize (1962), a fictional behind-the-scenes account of the Nobel Prizes; The Man, about a black man becoming president of the U.S. in the 1960s; and The Word (1972), about the discovery of a new gospel.[1][1]
[1]: http://en.wikipedia.org/wiki/Irving_Wallace