Show me great information products

Hi my fellow IndieHackers

Much inspired by this great community, I am working on an information product about the business side of running af small web-agency.

Insights, learnings and great ideas that can help freelancers and small agencies to make a lot of money in this highly competitive area, (the format is problably e-book)

I am looking to learn from other information products to see how they are designed, built, and where they are sold. Also what marketings channels are used etc. etc.

So if you have a product yourself or know any succesfull ones, i would be happy to hear about them.

Thank you, all the best to you & kind regards