Definition of fake book in English:

fake book

noun

Music
  • A book of music containing the basic chord sequences of jazz or other tunes.

    • ‘John's Book of Alleged Dances strikes me as a modern equivalent of John Playford's English Dancing Master, in effect an early fake book of popular tunes for musicians.’
    • ‘During the academic year 1974-75, two students at the Berklee College of Music in Boston created a bootleg fake book called The Real Book.’
    • ‘Like the fake book of Jazz musicians, from which they improvise and create new music, Wittman's play is his Fake Book that would inspire others to improvise, add to it, and change it.’