Miles, Mutants and Microbes, written by Lois McMaster Bujold and published in 2007 by Baen Books, is an omnibus edition book from the Vorkosigan Saga consisting of the two novels Falling Free and Diplomatic Immunity as well as the novella "Labyrinth".
It covers a broad time period ranging from 200 years BMVK through 32 AMVK and is particularly concerned with events as they relate to quaddies.