Becky is a typical 13-year-old girl. She likes Facebook, animals, and plenty of sleep. So when she and her brother Joe are invited to stay with their "loony" Uncle Percy at his stately home, the mysterious Bowen Hall, she thinks it"ll be the worst summer ever. What she doesn't realize is that Bowen Hall is also home to a baby Triceratops, two Sabre-tooth tigers and the mythic hero, Will Scarlet....

Becky and Joe Mellor return to Bowen Hall for the half-term holidays to find things are as unusual as ever. Of course, that's to be expected when you're sharing a stately home with a dinosaur, a winged horse, two sabre-tooth tigers, Will Scarlet, and Bowen Hall's latest resident - a dodo named Deirdre. Things, however, get more intriguing when American time traveler Bruce Westbrook arrives with two gold doubloons that seem to possess strange, supernatural powers. 

It’s Christmas time, and Becky and Joe Mellor have returned to Bowen Hall to attend the annual GITT Christmas Party - "The Enchantment Beneath the Sea Dance". However, when the party comes to a sudden, terrifying end, they are pitched into a quest for the all-powerful Spear of Fate. So begins an electrifying adventure that leads Becky, Joe, Uncle Percy and Will to the depths of the Indian Ocean, the peaks of the Himalayas and the deserts of Ancient Egypt - battling Mummies, Yetis, and a villain that Uncle Percy describes as "the vilest monster to have ever walked the earth".

After a terrifying encounter with Emerson Drake, Becky, and Joe Mellor return to Bowen Hall for the Easter Holidays. All seems quite normal until they meet Shamus Cusack, a young Irishman with a shocking story to tell, and are pitched into a quest for the fourth Eden Relic, the Sword of Ages. So begins the most powerful Time Hunters adventure yet...a thrilling story that leads Becky, Joe, Uncle Percy and Will to 1950s Italy, Medieval England, and the subterranean caves of Loch Ness. 

On a school trip to London, Becky Mellor witnesses the sheer ambition and brutality of Emerson Drake firsthand when she is involved in the greatest terror attack in world history. So begins the most explosive Time Hunters adventure yet - a story that takes Becky, Joe, and Uncle Percy to Jacobean England, the American Old West, and the legendary city of El Dorado in a search for the Sacred Chalice - a relic more commonly known as the Holy Grail....

The Time Hunters and the Wraith’s Revenge is the sixth book in The Time Hunters Saga. After a happy, uneventful year, Becky and Joe Mellor’s world is thrown into chaos when a masked psychopath, The Wraith, kidnaps various members of their family and friends. To their horror, he’s hidden them at different historical disasters in a diabolical game called "The Empedoclean Trials". With time running out, Becky, Joe, and Uncle Percy must solve the clues and rescue the "participants" before they become victims of the disasters themselves!

After the shocking conclusion of The Time Hunters and the Wraith’s Revenge, Becky, Joe, and Uncle Percy embark on a time hunt for the Odin Horn, a legendary artifact believed to be the drinking vessel used by Odin in Valhalla.

After gaining The Odin Horn, Becky, Joe, and Uncle Percy embark on a quest to find The Pool of Life, an enchanted body of water also known as The Fountain of Youth. In what promises to be their greatest adventure yet, The Time Hunters travel to Medieval Yorkshire, the minotaur town of Caradan, the eighteenth-century Caribbean, and the Swiss Alps where they meet a man who claims to be over two thousand years old.

After discovering the real Myron Halifax was kidnapped as a baby and hidden in time, Uncle Percy, Becky and Joe strike a deal with the Wraith. Play his sinister game, ‘The Four Horsemen’, a series of deadly trials themed around The Four Horsemen of the Apocalypse (Conquest, War, Famine and Death), and they can win a meeting with the grown-up Myron, also known as 'The Silent Child.'

When Becky, Joe, and Uncle Percy uncover the existence of a sixth Eden Relic—The Eden Crown—hidden somewhere in history, their destiny becomes clear: they need to find it to stop Emerson Drake and the Wraith from unleashing an apocalyptic attack on mankind, an assault that would wipe out half the world's population.