The Credit Suisse Research Institute (CSRI) just published the 2019 edition of the Global Investment Returns Yearbook.
The report focus on several subjects like value vs growth investing, market volatility in 2018, or returns of different asset classes in several countries.
I have skim read it only. Gonna pay some attention to it in the next few days.
The website have many useful articles.
Not necessarily newbie friendly. Sorry about that 