ISBN-13: 9781499663006 / Angielski / Miękka / 2014 / 106 str.
ISBN-13: 9781499663006 / Angielski / Miękka / 2014 / 106 str.
An explanation of how time-travels works in J. K. Rowling's "Harry Potter and the Prisoner of Azkaban" and "Harry Potter and the Cursed Child" plus a discussion of theories of time-travel.