That's really cool, JoanP, that you get emails from GoodReads about what your son is reading.
Yes, there is an S, two in fact.
___ ___ E
___ ___ ___ S ___ E ___
R E B E L S :
A Novel
Letters requested: B, E, R, S, V
Did I mention that this is historical fiction, set just a tad later than the Sot-Weed Factor.