Cassidy Cane slips between worlds, traveling to bizarre planets and alternate Earths to find extraordinary new technologies and artifacts that might better humanity! Cassidy goes by many titles -- archeologist, anthropologist, adventurer -- but none more fitting than that given to her on some strange worlds: Slipstreamer. Now she must face her biggest threat yet, when she comes face to face with another adventurer that can walk between worlds: the enigmatic Tallis!