Books

Mathematics

1. Naive Set Theory by Paul Halmos
2. Abstract Algebra: A First Course by Dan Saracino

Informatics (Computer Science)

1. Digital Design and Computer Architecture by David Harris and Sarah Harris
2. But How Do It Know? by John C. Scott
3. Artificial Intelligence: A Modern Approach by Stuart Russell and Peter Norvig
4. Deep Learning by Ian Goodfellow and Youshua Bengio and Aaron Courville
5. C++ Primer (V edition, C++ 11) by Stanley B. Lippman and Josee Lajoie and Barbara E. Moo
6. Introduction To Automata Theory, Languages And Computation by John E. Hopcroft

Neuroscience (or other)

1. On Intelligence by Jeff Hawkins
2. A Thousand Brains: A New Theory Of Intelligence by Jeff Hawkins
3. The Case Against Reality: Why Evolution Hid The Truth From Our Eyes by Donald Hoffman