Where to get this game? Links to Bookworm Adventures Deluxe and all other games from this series are welcome as well.

https://www.amazon.com/Bookworm-Adventures-Online-Game-Code/dp/B00KCS0NDO
After receiving the code from email, you then enter the code on Origin (a steam lookalike).
For Bookworm Adventures 1 I haven't found any online codes, but there is one site with the full cracked version downloadable. I use my disc version though. I can't remember the site name.

You can get Bookworm Adventures 2 in many websites that offer a cracked version downloadable website. I don't remember it though.