page-turner

A highly interesting or suspenseful written work that one is compelled to read very rapidly.

Her debut novel is such a page-turner that it's one of those books that you can't put down.

This is a very fat novel. The first thing you want to do with it is send it to a hospital for one of those crisis diets. Cut out 300 pages and maybe you've got a page-turner that could stand off "The Firm."

A person who is responsible for turning the pages of another musician’s (especially a pianist or organist’s) sheet music during a performance.

She's a famous soloist today, but she did her time as a page-turner, just as many others have done.

Used other than figuratively or idiomatically: see page, turner.