The I Index

Joseph Epstein,
The Wall Street Journal
Excellent.
Jing Tsu,
The New York Times Book Review
Simon Garfield offers a delightful curated sampling of what seekers before and after Diderot have tried to actualize.
Dennis Duncan,
The Washington Post
Lively and informative.
Ethan Croft,
The Times (UK)
Witty and geekily eclectic.
James Waddell,
Times Literary Supplement (UK)
Few books begin by drawing the reader’s attention to a general lack of enthusiasm for their subject matter. Simon Garfield’s good-humoured history of the encyclopedia does just that.
Barrie Olmstead,
Booklist
Fans of Simon Winchester’s The Professor and the Madman and readers who don’t mind plenty of intriguing digression will devour it..

Publishers Weekly
Quirky and entertaining.

Kirkus
A wealth of research wrapped into an eccentric, charming package.