THE WAY OUT : WHAT LIES AHEAD FOR AMERICAUpton SinclairFarrar & Rinehart ($1). Persuasive letters to a young capitalist from indefatigable Socialist Sinclair.
MONEY VERSUS MANFrederick SoddyDm ton ($1.25). Primer of the ''new economics." by the author of Wealth, Virtual Wealth & Debt.
COWBOY LOREJules Verne Allen Naylor Printing Co., San Antonio, Tex. ($2). Cowboy tales and songs collected by New Mexico's officially appointed ''Singing Cowboy."
FOUNTAIN BOYNeil BrantVan-guard ($2). Light reading for hot weather.
LAUGHTER ENDSJohn Farrow Harcourt, Brace ($2). Half-breed love in Tahiti.
ALL SOULS' NIGHTHugh Wai-pole Double day, Doran ($2.50)....