Bogleheads, and the bogleheads guide to investing
https://www.bogleheads.org/wiki/Bogleheads%C2%AE_personal_finance_planning_start-up_kit
https://www.bogleheads.org/wiki/Bogleheads%27_Guide_To_Investing
I'm very glad that someone recommended me bogleheads, after reading, I was able to open up a roth and contribute yearly which may be one of the best personal finance decisions I've made.