Baltimore and Ohio's Capitol Limited and National Limited by Joe Welsh is a revised hardcover book that provides a visual journey of the iconic trains. With 160 pages of photography, the book showcases the trains' history and regional significance. The book is part of the Great Passenger Trains series and was published by Quarto Publishing Group USA in 2007. The book measures 11.2 inches in length, 9 inches in width, and 0.8 inches in height, with a weight of 37.2 ounces. It is written in English and illustrated with photos. The book's topic includes subjects and themes related to regional railroads and their pictorial history. It is a valuable resource for transportation enthusiasts and railfans alike.