From the back cover:
Luck and skill and joyous thrills!
Strategize and set your sights on clearing the orange pegs, then sit back and cheer yourself to Peggle greatness. And just when you think you've mastered Peggle, there's more challenging fun in store!
From the marketing flap:
Take Your Best Shot - Clear the orange pegs from 55 spectacular levels! Through snowbanks, outer space, tulip fields and more, you'll need both luck and skill to become a Peggle Master.
Master Magic Powers - Hone your skills with the help of 10 whimsical teachers. Learn their marvelous Magic Powers to make shots you'll want to replay for weeks!
Rise to Peggle Greatness - You've made it to Master... but you've only just begun. Raise the Fevermeter with 75 Grand Master challenges - or play friends in Duel Mode.