With a diverse group of members, members will have a lot of different learning styles. Some people may find it easier to begin with theory and tutorials rather than jumping straight into a project, which is what this page is for.
Microelectronic Circuits by Sedra/Smith
Recommended chapters: 1-7
It might be worth looking at some of the practical applications that are discussed in the book in addition to understanding the basics of how certain parts work. No one here is going to interrogate you on circuit theory so there is no need to dive too deep.