WordNet (r) 3.0 (2006):

dip into
    v 1: read selectively; read only certain passages from a text

Moby Thesaurus II by Grady Ward, 1.0:

23 Moby Thesaurus words for "dip into":
   browse, examine cursorily, flip, give the once-over, glance at,
   glance over, glance through, page through, pass over lightly,
   run over, run through, scan, skim, skim over, skip over,
   slip through, slur, slur over, thumb over, thumb through,
   touch upon, touch upon lightly, zip through