There is no required reading or assignments before the start of the courses.
If you are interested in reading about the topics that will be covered before the start of the class, please consider the list of resources below.
Quantum Computation and Quantum Information, Micheal A. Nielson and Isaac L. Chuang. Cambridge University Press, 2011.
https://www.ft.com/content/b2f1c0ea-e4ff-11e7-a685-5634466a6915
https://www.economist.com/news/essays/21717782-quantum-technology-beginning-come-its-own
Please note, you do not have to buy any books or outside materials to be successful in this course.