Play Bookworm without downloading it at Popcap.com, the creators of the game. You can also play various versions of Bookworm online at Games.msn.com and Memory-Improvement-Tips.com.
Memory-Improvement-Tips.com also has Bookworm instructions, advice from a Bookworm master and tips, although you can't save your game or your progress. Games.msn.com has brief instructions and tips but does not allow you to save games or scores either. Popcap.com also has instructions but slightly smaller graphics. You can play other online games for free, such as Bejeweled, Bejeweled Twists, Zuma's Revenge and Plants vs. Zombies, at Popcap.com. Popcap.com games may not play in all browsers or on all mobile devices.