“Koleksi hanya dapat diakses di tempat dan tidak diperkenankan untuk dibawa pulang. Pengguna dapat menghubungi pustakawan untuk memperoleh izin akses.” ___ What exactly, is time? Why does it sometimes seems to speed up or slow down? Is time on earth the same as time on Mars? And is it possible to travel through time? This book holds the answers to these questions, and many more!