Caroline's dad is an MIT econ prof and wrote a series of books titled Hard Math for X. New installment should surely be Hard Math for Crypto Fraud and Jail Evasion.
"He is known for his role in the development of the market for high-yield bonds ("junk bonds"), and his conviction and sentence following a guilty plea on felony charges for violating U.S. securities laws... With a net worth of $6 billion as of 2022, he is ranked by Forbes magazine as the 412th richest person in the world"
He wrote them for caroline and her sister when they were in elementary school, because they excelled in math and wanted more of a challenge.
I bought these books after reading about her when this first started happening a few weeks ago.
No joke, those books are really tough. They are for elementary and middle schoolers, aannnndddd I can't get thru them. lol