dy ▁Elect rical " ▁( 1 9 8 7 ) ▁ ▁" A li en ▁He at " ▁( 1 9 8 8 ) ▁ ▁" Inter stell ar ▁Ar cs " ▁( 1 9 8 8 ) ▁ ▁" Mod ern ▁Mad ness " ▁( 1 9 8 9 ) ▁ ▁" Re ality ▁Is ▁Mor ally ▁Ne ut ral " ▁( 1 9 8 9 ) ▁ ▁" L ove ▁Song ▁for ▁L on ely ▁Ali ens " ▁( 1 9 8 9 ) ▁ ▁" The ▁Ali en ' s ▁Re ven ge " ▁( 1 9 8 9 ) ▁ ▁" Se a fo od ▁Fut ures " ▁( 1 9 9 0 ) ▁ ▁" H ack ers ▁Cra ck ▁the ▁Pap al ▁P orn " ▁( 1 9 9 0 ) ▁ ▁" B ub bles " ▁( 1 9 9 1 ) ▁ ▁" Ch rom os om es " ▁( 1 9 9 3 ) ▁ ▁Non - f iction ▁ ▁Books ▁ ▁Period ic ▁Stars : ▁An ▁Over view ▁of ▁Science ▁F iction ▁Liter ature ▁in ▁the ▁ 1 9 8 0 s ▁and ▁' 9 0 s ▁( 1 9 9 7 ) ▁ ▁Off ▁the ▁Main ▁Se quence ▁( 2 0 0 7 ) ▁ ▁Ess ays ▁and ▁reporting ▁ ▁" Life ▁Ne eds ▁a ▁beginning " ▁( 1 9 7 5 ) ▁ ▁" Is ▁the ▁Un iverse ▁a ▁Y o - Y o ?" ▁( 1 9 7 9 )