Near the beginning of his career, Einstein thought that Newtonian mechanics was no longer enough to reconcile the laws of classical mechanics with the laws of the electromagnetic field. This led to the development of his special theory of relativity. He realized, however, that the principle of relativity could also be extended to gravitational fields, and with his subsequent theory of gravitation in 1916, he published a paper on the general theory of relativity.

Philosophiæ Naturalis Principia Mathematica (Latin for Mathematical Principles of Natural Philosophy), often referred to as simply Principia, is a work in three books by Isaac Newton, in Latin, first published 5 July 1687. After annotating and correcting his personal copy of the first edition, Newton published two further editions, in 1713-1726.

Philosophiæ Naturalis Principia Mathematica (Latin for Mathematical Principles of Natural Philosophy), often referred to as simply Principia, is a work in three books by Isaac Newton, in Latin, first published 5 July 1687. After annotating and correcting his personal copy of the first edition, Newton published two further editions, in 1713-1726.

"With Pictures and Maps"

My Disillusionment in Russia is a famous book by Emma Goldman. The book was based on a much longer manuscript entitled "My Two Years in Russia" which was an eyewitness account of events in Russia from 1920 to 1921 that ensued in the wake of the Russian Revolution of 1917 and which culminated in the Kronstadt rebellion.

Hz. İsa’nın (as) çarmıha gerilmediğini yalnız Kur’an-ı Kerîm mi söylemektedir? Apokrif İnciller’deki tarihî kayıtlarda veya Eski Ahit’teki kehânetlerde Hristiyanlığın en büyük öğretisine zıt ve gerçeğe daha yakın bilgiler mevcut mudur?
Bildiğimiz mânâdaki Hristiyanlık tek kutuplu ve alternatifsiz mi başlamıştır? Hz. İsa (as) dinini tahrif edecek kişiyi ve dinini tahrifattan temizleyecek peygamberi haber vermiş midir?
Hristiyanlığa bakışınızı değiştirecek bu kitapta bütün bu soruların yanıtlarını bulacaksınız..

Glenn Killbourne and his fiancee Carley Burch find a strange test of their love in the mountains and canyons of Arizona.

We is a dystopian novel by Russian writer Yevgeny Zamyatin, written 1920-1921. The novel was first published as an English translation by Gregory Zilboorg in 1924 in New York.

"One of the best known & wonderful 10,000-year old (Nuclear War Epic) in the History: Mahabharata"

"Mahabharata, The longest Sanskrit epic ever written", Mahabharata has a collection of more than 74,000 verses, divided into 18 books. The Mahabharata story is much revered in India and basically among the Hindus. The Mahabharata contains the Bhagawad Gita, the famous gospel of duty that was taught to the great warrior, Arjuna by Lord Krishna. The Mahabharata dwells on the aspect of the important goals of a human being in his mortal life. The epic aims at making people realize the relation between the individual and the society and how they both are inter dependent on each other. Read on further a summary of Mahabharata, the greatest epic ever. 

In this book, the way to lose weight by eating as much food as you want will be explained.

The following Essay owes its origin to a conversation with a friend, on the subject of Mr Godwin's essay on avarice and profusion, in his Enquirer. The discussion started the general question of the future improvement of society, and the Author at first sat down with an intention of merely stating his thoughts to his friend, upon paper, in a clearer manner than he thought he could do in conversation. But as the subject opened upon him, some ideas occurred, which he did not recollect to have met with before; and as he conceived that every least light, on a topic so generally interesting, might be received with candour, he determined to put his thoughts in a form for publication.