Some combination of the following would be a good start, depending on your background: Quantum Theory for Mathematicians : https://www.amazon.com/Quantum-Theor

Some combination of the following would be a good start, depending on your background: Quantum Theory for Mathematicians : https://www.amazon.com/Quantum-Theory-Mathematicians-Graduate-Mathematics/dp/146147115X/ref=pd_sim_14_1?_encoding=UTF8&psc=1&refRID=KA0JB7VY7BGZN7P55KYA https://www.amazon.com/Quantum-Theory-Mathematicians-Graduat... Quantum Mechanics for Mathematicians : https://www.amazon.com/Quantum-Mechanics-Mathematicians-Graduate-Mathematics/dp/0821846302 https://www.amazon.com/Quantum-Mechanics-Mathematicians-Grad... Quantum Field Theory and the Standard Model : https://www.amazon.com/Quantum-Field-Theory-Standard-Model/dp/1107034736/ref=pd_sim_14_9?_encoding=UTF8&psc=1&refRID=JM0BG0W0WPE2QSQTDWNC https://www.amazon.com/Quantum-Field-Theory-Standard-Model/d...