The Inheritance Cycle Series by Christopher Paolini

The Inheritance Cycle Series by Christopher Paolini - A farm boy named Eragon discovers a dragon egg and is thrust into a war against the evil king Galbatorix. With his dragon Saphira, he trains as a Dragon Rider, uncovers ancient secrets, and fights to restore freedom to Alagaësia.

Total 5 books in the series - 

• Eragon (Book 1) – A farm boy finds a dragon egg and begins training as a Dragon Rider while fleeing the evil king’s forces.
• Eldest (Book 2) – Eragon trains with the elves, faces betrayal, and learns shocking truths about his past.
• Brisingr (Book 3) – War spreads across Alagaësia as Eragon grows stronger and confronts hard choices about destiny and loyalty.
• Inheritance (Book 4) – The final battle against Galbatorix decides the fate of dragons, Riders, and the realm.
• Murtagh (Book 5) - After the fall of Galbatorix, Murtagh and his dragon Thorn search for purpose while facing a dark new threat in Alagaësia—one more dangerous than the old empire.