This is a reading list from one university, you might have time to read one of these, I have no idea, I just googled ‘Psychology Reading List’.
Eysenck, M. W. and M. T. Keane (2010). Cognitive psychology: a student's handbook. Hove, Psychology Press.
Hogg, M. A. and G. M. Vaughan (2010). Essentials of social psychology. London, Prentice Hall.
Nolen-Hoeksema, S., B. Fredrickson, et al. (2009). Atkinson and Hilgard's introduction to psychology. Andover, Cengage Learning.
Schaffer, H. R. (2006). Key concepts in developmental psychology. London, SAGE.
Gazzaniga, M.S., Ivry, R.B., Mangun, G.R. (2014). Cognitive Neuroscience: The Biology of the Mind, 4th edition. W.W. Norton