Dinosaur in a Haystack is a 1995 book by the paleontologist Stephen Jay Gould.

The book deals with themes familiar to Gould's writing: evolution, science biography, probabilities, and strange oddities found in nature.

Poe's volume on natural history sold out within two months, and was his only book republished during his lifetime.

Essay "Dinomania" is a review of Michael Crichton's novel Jurassic Park and Steven Spielberg's blockbuster film of the same name.

The book received favorable reviews in Publishers Weekly[1] and The New York Times.