Time Loopers: Five Tales from a Time War (Books of Cthulhu)

Get rich. Wield incredible power.\nGet revenge. But avoid paradox, or get erased from the timestream so you never existed.\nTime travel offer endless possibilities and limitless dangers. What would you do if you could go back and relive your past? What if others could too? Who polices time? How do you win a time war?\nFive tales from a time war by veteran SF authors:\nTime’s Revenge Craig repeats the same day, getting ever closer to pulling off the perfect murder. He just wants to make a fortune, but who gave Craig this power and why is the killing so important to them?\nTime Trapped Librarian Irene has started traveling through time, but someone else controls her destinations. As history starts to unravel, can Irene prevent a terrible future she has already seen?\nThe Comatose Man In his attempt to right an old wrong, Ross accidentally unleashes something far worse. Can the past fight an invasion from the future?\nThe Terror Out of Time Dimitri-Laurent de Marigny is a criminal mastermind with a plan to finally realise his dream of immortality. But has de Marigny really understood the price that he – and the world – will pay?\nAcademic Legacies
Mercy Halsey-Mason is a Goth self-proclaimed witch studying at Miskatonic University in the 21st century. Unfortunately, she's about to discover that her academic program is a threat to reality.\nBonus story - A Stitch in Time Time travel operative Art is on a simple mission to correct a previous mistake. But why is his partner behaving strangely, and are missions ever really simple?