WordNet (r) 3.0 (2006):

songbook
    n 1: a book containing a collection of songs

Moby Thesaurus II by Grady Ward, 1.0:

70 Moby Thesaurus words for "songbook":
   arrangement, best seller, book, bound book, classic, coloring book,
   copy, definitive work, draft, edition, folio, great work, hardback,
   hymnal, hymnbook, instrumental score, juvenile, juvenile book,
   libretto, limp-cover book, lute tablature, magnum opus, music,
   music paper, music roll, musical notation, musical score, nonbook,
   notation, notebook, novel, opera, opera score, opus, opuscule,
   opusculum, orchestral score, paperback, part, piano score,
   picture book, playbook, pocket book, prayer book, production,
   psalmbook, psalter, publication, score, serial, sheet music,
   short score, sketchbook, soft-cover, songster, standard work,
   storybook, tablature, text, title, tome, trade book, transcript,
   transcription, version, vocal score, volume, work, writing,
   written music