Booster is back in the past! Mistaken for his (past) self, he is roped into an adventure with the Justice League International! Enjoying the good old days with his bestie Blue Beetle, he must contend with the needs of his past self and the horrors of the present. And when the entire world is undone, will Booster be the only one to remember what the DCU used to be like before the Flash messed it all up?!Collects Booster Gold #32-47 and Time Masters: Vanishing Point #1-6.