A fun book to learn about: The AND Gate, NAND Gate, OR Gate, XOR Gate, NOR Gate, XNOR Gate, NOT Gate, Buffer, IMPLY Gate, NIMPLY Gate, Tristate Buffer, Mux, Demux, Half Adder, Full Adder, Set-Reset Latch, Gated Set-Reset Latch, D Latch, Boolean Truth Tables, Universal Logic Gates, and Binary Addition.