The novel Necklace of Time is a novel that talks about three friends who do not have major goals in life, but they find Dr. Issa, who gives them a necklace that they can travel through time, the adventures of the three begin after their departure from the era of the pharaohs and their arrival to the Middle Ages, which spread the danger of the Mongols that threatens the whole world, events begin to follow and friends suffer from very many problems and difficult events that you will discover as soon as you read the novel.