John Rhodes and Benjamin Steinberg, "The q-theory of Finite Semigroups". Springer, Monographs in Mathematics, 2009.
Here is a list of known Errata.
Benjamin Steinberg, "Representation Theory of Finite Groups: An Introductory Approach". Springer, Universitext, 2011.
Mahir Can, Zhenheng Li, Benjamin Steinberg, Qiang Wang (eds.), "Algebraic Monoids, Group Embeddings, and Algebraic Combinatorics", Springer, Fields Institute Communications Volume 71, 2014.
Benjamin Steinberg, "Representation Theory of Finite Monoids". Springer, Universitext, 2016.