 He also wrote for "Boys' Life" in 1952.Heinlein had used topical materials throughout his juvenile series beginning in 1947, but in 1958 he interrupted work on "The Heretic" (the working title of "Stranger in a Strange Land") to write and publish a book exploring ideas of civic virtue, initially serialized as "Starship Soldiers".In 1959, his novel (now entitled "Starship Troopers") was considered by the editors and owners of Scribner's to be too controversial for one of its prestige lines, and it was rejected.