When I discovered the spark of ‘getting’ mathematics for myself, I couldn’t get but try and get an overview. Find out what’s within mathematics. There are a lot of interesting and fascinating subfields! This is an attempt to share my curiosity and new-found appreciation for the field of mathematics. I hope, that the spark can be shared. Warning: the following list is a selective transcription of the articles above. This is the part most likely to be wrong-ish.