This text explores the natural history of Texas and more than 2900 springs in 183 Texas counties. It also includes an in-depth discussion of the general characteristics of springs - their physical and prehistoric settings, their historical significance, and their associated flora and fauna.

The most comprehensive account to date of the 9/11 attack on the Pentagon and aftermath, this volume includes unprecedented details on the impact on the Pentagon building and personnel and the scope of the rescue, recovery, and caregiving effort. It features 32 pages of photographs and more than a dozen diagrams and illustrations not previously available.

The classic thriller about a hostile foreign power infiltrating American politics: “Brilliant . . . wild and exhilarating.” —The New Yorker A war hero and the recipient of the Congressional Medal of Honor, Sgt. Raymond Shaw is keeping a deadly secret—even from himself. During his time as a prisoner of war in North Korea, he was brainwashed by his Communist captors and transformed into a deadly weapon—a sleeper assassin, programmed to kill without question or mercy at his captors’ signal. Now he’s been returned to the United States with a covert mission: to kill a candidate running for US president . . . This “shocking, tense” and sharply satirical novel has become a modern classic, and was the basis for two film adaptations (San Francisco Chronicle). “Crammed with suspense.” —Chicago Tribune “Condon is wickedly skillful.” —Time