Mark E. Byrnes is associate professor of political science at Middle Tennessee State University, Murfreesboro, TN.

"[I]n the only encyclopedic works devoted to these presidents entries for people, events, and concepts are presented in an accessible A–Z format. Authoritative. . .these attractive volumes would work for students at the high-school level and up."[Combined review of Andrew Johnson and James Polk in the Biographical Companions series]

Mark E. Byrnes is associate professor of political science at Middle Tennessee State University, Murfreesboro, TN.

"[I]n the only encyclopedic works devoted to these presidents entries for people, events, and concepts are presented in an accessible A–Z format. Authoritative. . .these attractive volumes would work for students at the high-school level and up."[Combined review of Andrew Johnson and James Polk in the Biographical Companions series]