Argh! `
Just about to recommend Hamsterlopaedia. I've heard a lot of good things about it. Here's a link to a review of it in case you're interested:
https://www.youtube.com/watch?v=9mRhPGpMcGY
But honestly, forums and reputable Youtube channels (Erinsanimals, HoppingHammy, Hammylux, and ChocolateColors26) are the best way to go if you need advice.