reference book
reference ***
reference work
book of facts

The result may be a game, a reference work or anything in between.

It has become the first major reference work in the field.

A reference work with information on more than 800 species.

A reference work cannot really tell a story, as it has to say something about everything.

His history of that war is considered a standard reference work.

Any standard reference work will give you a line on that.

There's nothing to go back to and look up, so it isn't really a reference work.

The book, now an annual series, is a standard reference work.

For the expert the book will certainly become a standard work of reference.

Which work of reference in their field do professionals turn to most often?