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‘Barncs has great lun fooling around with a rariety of unexpecte<l_alt£mate universes in this clcver stientific adventurc novd. A well-paced book, luli of nicely drawn charactcrs and a numbcr df tantali/ing mysteries that should greatly appeal to fans of alternate historical liction'

•- I$.HI-K*s wI I KI Y « - • •

' The author excrcises bis talent for turning the “facts” of cjuantum physics into the stuli of high adventure and intrigue In this fast-paccd, exuberant cxploration of parałld worlds. A good choiee for SF collections’

. ** L1BRARY JOU-R.NAI

‘Barncs...(jucstion(s) the naturę of rcality itsclf

NliWYORK TIMES BÓOK REVIEW