What should I read or do for terrible twos?

Read a book. Find one of the several child guidance books. Dr. Spock's is stgill available.
Set clear consistent. limits by telling your toddler what behaviors you want at her language level & modeling them. Choose your battles. Talk with, not at, your child, getting down to her level & making eye contact. Read to her; play with her.without being distracted by your phone. Have family meals. Read "Little People " by Dr. Ed Christopherson. It explains " Catch'em being good" & effective use of time-out. .