00680nam a2200217Ia 4500001000700000003000500007005001700012008004100029010002200070020003900092035002000131040001900151050001900170082001000189100003600199245002500235260003500260300002700295520011300322650002700435127406BIBL20160527190716.0740819c19751973nyua   j      000 1 eng    a 74017383 /AC/r86  a0688220169a0688320163 (lib. bdg.)  a(OCoLC)01032251  aDLCcDLCdm.c.0 aPZ7.S9818bWh4  a[Fic]1 aSwindells, Robert E.wcn2Local10aWhen darkness comes.  aNew YorkbMorrowc1975 [c1973]  a158 p.billus.c22 cm.  aA primitive band of people splits into two warring factions until the arrival of a common enemy unites them. 1aScience fiction2Local