Juvenile Fiction. Juvenile Literature. The Rainbow-Barfing Unicorn virus hasn't infected humans . . . until now! In this adventure, twelve-year-old Xander contracts the mysterious virus of the Rainbow-Barfing Unicorns. The virus gives the unicorns their barfing abilities, but it's having the opposite effect on Xanderâ??it's draining him of any color at all! Xander's fate lies in the handsâ??er, hoovesâ??of Ronk, the most dimwitted of all Rainbow-Barfing Unicorns. This is not good. In fact, this is badâ??really, really bad. Plump-full of grotesquely delightful characters and fantastical realms, Xander and the Rainbow-Barfing Unicornsâ??from writer Matthew K. Manning (Batman/Teenage Mutant Ninja Turtles Adventures)â??is so epic it'll ma