While you can find tab and lyrics online frequently, it can take time and you may not find exactly what you're looking for. These are the ten best songbooks that I've found.
1. Best of Contemporary Christian: Over 400 Songs Melody, Lyrics and Chords
This book contains over 400 contemporary Christian songs, ranging from the standards to today's current hits. Artists represented include: Amy Grant, Jars of Clay, Crystal Lewis, Petra, Point of Grace, Michael W. Smith, Jaci Velasquez. Songs include: Abba (Father) - Awesome God - Butterfly Kisses - El Shaddai - Father's Eyes - Flood - Friends - The Great Adventure - His Strength Is Perfect - I Will Be Here - Jesus Freak - Thank You - Via Dolorosa - The Warrior Is A Child - Where is the Faith.
2. Chatter With the Angels: An Illustrated Songbook for Children
This high quality book has keyboard accompaniments and guitar chords for all 90 songs.3. The Christian Christmas Songbook
46 Songs from top Contemporary Christian artists.4. Worshiptogether Songbook 6.0
Over 75 Songs from Third Day, David Crowder, Charlie Hall, Passion, Newsboys And others.5. Big Ideas - VeggieTales Songbook
For Piano, Vocal and Guitar.7. The Best of Rock: 12 Christian Hits Easy Guitar With Notes & Tab
Easy guitar arrangements with tab for 12 Christian hit bands, including Audio Adrenaline, The Elms, Newsboys, Relient K and Switchfoot.9. The Christian Children's Songbook
101 Songs Kids Love to Sing