Possible Clues:

• Poet's book, 20/-
• American poet
• Poet's book, cheap?
• Poet who is on the money?
• ''The Cantos'' poet
• Idaho-born poet
• Poet's book provided at bargain price?
• Poet arrested for treason in 1945
• US author's old book -- hit
• American writer, unknown, in time associated with pen