The Inheritance Cycle 5 Books Collection Set by Christopher Paolini (Murtagh,Erag)

Eragon: Book One (The Inheritance Cycle):

When Eragon finds a polished stone in the forest, he thinks it is the lucky discovery of a poor farm boy; perhaps it will buy his family meat for the winter. But when the stone brings a dragon hatchling, Eragon soon realizes he has stumbled upon a legacy nearly as old as the Empire itself.Overnight his simple life is shattered and he is thrust into a perilous new world of destiny, magic and power. With only an ancient sword and the advice of an old storyteller for guidance, Eragon and the fledgling dragon must navigate the dangerous terrain and dark enemies of an Empire ruled by a king whose evil knows no bounds. Can Eragon take up the mantle of the legendary Dragon Riders? The fate of the Empire may rest in his hands...

Eldest:

Eragon and his dragon, Saphira, have just saved the rebel state from destruction by the mighty forces of King Galbatorix, cruel ruler of the Empire. Now Eragon must travel to Ellesméra, land of the elves, for further training in magic and swordsmanship, the vital skills of the Dragon Rider. It is the journey of a lifetime, filled with awe-inspiring new places and people, each day a fresh adventure. But chaos and betrayal plague him at every turn, and Eragon isn't sure whom he can trust....

Brisingr: Book Three (The Inheritance Cycle):

More awaits Eragon and Saphira following the colossal battle against the Empire’s warriors.He’s bound by promises he may not be able to keep, including his oath to his cousin Roran to rescue his beloved Katrina.When unrest claims the rebels and danger strikes, Eragon must make choices that take him across the Empire and beyond. Choices that may lead to unimagined sacrifice.

Inheritance: Book Four (The Inheritance Cycle) :

Not so very long ago, Eragon - Shadeslayer, Dragon Rider - was nothing more than a poor farm boy, and his dragon, Saphira, only a blue stone in the forest. Now, the fate of an entire civilization rests on their shoulders.Long months of training and battle have brought victories and hope, but they have also brought heartbreaking loss. And still the real battle lies ahead: they must confront King Galbatorix.

Murtagh: The World of Eragon (The Inheritance Cycle, 5)....

The world is no longer safe for the Dragon Rider Murtagh and his dragon, Thorn. An evil king has been toppled, and they are left to face the consequences of the reluctant role they played in his reign of terror.Now they are hated and alone, exiled to the outskirts of society. Throughout the land, hushed voices whisper of brittle ground and a faint scent of brimstone in the air - and Murtagh senses that something wicked lurks in the shadows of Alagaësia. So begins an epic journey into lands both familiar and untravelled, where Murtagh and Thorn must use every weapon in their arsenal, from brains to brawn, to find and outwit a mysterious witch. A witch who is much more than she seems....