Bonanza meets One Flew Over the Cuckoo's Nest in this comic western, written by a handball champ from the Pacific Northwest. The tall and very screwy tale is told by one Royal R. Leckner to a WPA scribe, and concerns the fate of a giant spread of land in northeastern Oregon, known as the Four Arrows cattle ranch. When its founder, Samuel J. Perrault, is murdered by his horse (via an accident too loony to relate), the old man's will comes as a surprise, revealing that he has an heir whom no one in the nearby town of Idlehour knows about--young Leviticus Perrault, it turns out, has spent his life in an insane asylum. It's left up to the foreman, Royal, to collect the boy and teach him to run Four Arrows in 500 days--otherwise the ranch goes to Idlehour and a pack of pernicious town--fathers. Royal gets a handful of other ``coconuts'' from the asylum in the bargain, Leviticus's buddies, including a schizophrenic and palsied half- breed. Teaching them the ranching trade proves easier than fending off sabotage from the Idlehour corner. But after a foiled bank robbery and gargantuan cattle drive, the cracked good guys prevail--thanks to a little help from a pretty female accountant, who'll become Royal's reward for standing by the mentally ill. Platt's style is suitably colorful, her story a mildly amusing, airy nothing--most likely to charm softhearted, regional-lit devotees.