In London of 1855, celebrated paleontologist Edward Mallory gets mixed up with Charles Babbage, the inventor of an advanced calculating machine run by his elite group of clackers

Review

"Breathtaking."--"The New York Times Book Review
"
"Smartly plotted, wonderfully crafted, and written with sly literary wit . . . spins marvelously and runs like a dream."--"Entertainment Weekly
"
"Splendid . . . highly imaginative."--"Chicago Tribune
"
"A ripping adventure yarn."--"Los Angeles Times
"
"[A] tour-de-force."--"The Philadelphia Inquirer"

Breathtaking. "The New York Times Book Review
"
Smartly plotted, wonderfully crafted, and written with sly literary wit . . . spins marvelously and runs like a dream. "Entertainment Weekly
"
Splendid . . . highly imaginative. "Chicago Tribune
"
A ripping adventure yarn. "Los Angeles Times
"
[A] tour-de-force. "The Philadelphia Inquirer""

Breathtaking. The New York Times Book Review

Smartly plotted, wonderfully crafted, and written with sly literary wit . . . spins marvelously and runs like a dream. Entertainment Weekly

Splendid . . . highly imaginative. Chicago Tribune

A ripping adventure yarn. Los Angeles Times

[A] tour-de-force. The Philadelphia Inquirer"

"Breathtaking."--The New York Times Book Review

"Smartly plotted, wonderfully crafted, and written with sly literary wit . . . spins marvelously and runs like a dream."--Entertainment Weekly

"Splendid . . . highly imaginative."--Chicago Tribune

"A ripping adventure yarn."--Los Angeles Times

"[A] tour-de-force."--The Philadelphia Inquirer

"About this title" may belong to another edition of this title.

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