Are Bookworm Adventures and "Deluxe" the Same Game? (No – Here's the Truth)

No. Bookworm Adventures (2006) and Bookworm Adventures: Volume 2 (2009) are the two main entries by PopCap. There is no standalone "Deluxe" edition.

PopCap used "Deluxe" for Bejeweled Deluxe, Zuma Deluxe, Peggle Deluxe—enhanced downloadable versions with extra modes. Bookworm Adventures never received a "Deluxe" re-release; the Steam version (delisted 2016) was the base game.

If you saw "Bookworm Adventures Deluxe" on a shady site, it's likely a mislabeled copy of Volume 2 or a scam.