The final kingdom / Michael Northrop.

Enhanced descriptions from Syndetics:

Get ready for the battle that will shake the world -- and the afterworld.In the epic conclusion to Alex and Ren's quest, they must face off against the Death Walkers, The Order, and an army raised from the dead. Can Alex put an end to the chaos and send these evil spirits back where they belong -- without putting an end to his own life?In the tradition of The 39 Clues and Spirit Animals, the TombQuest adventure continues online, with an epic game! Build an Egyptian tomb of your own, hide treasure and protect it with traps, then challenge your friends to play through!; Praise for TombQuest Book 1: Book of the Dead : "Like a preteen Indiana Jones and Lara Croft, Alex and Ren make a compelling duo, and Northrop balances pathos and action effectively to engage readers. Funny and smart, Alex and Ren are excellent companions for this fast-paced and scorpion-filled ride."-- Kirkus Reviews "A thrilling adventure rich in Egyptian mythology and magic... Sure to be a blockbuster." -- Booklist "Nonstop action... reluctant readers will enjoy the fast-paced story and the accompanying interactive computer game, and they will look forward to future installments." -- Voice of Youth Advocates "The plot moves quickly and will appeal to reluctant readers looking for adventure [and] danger." -- School Library Journal ;Michael Northrop is the New York Times bestselling author of TombQuest, an epic book and game adventure series featuring the magic of ancient Egypt. He is also the author of Trapped , an Indie Next List selection, and Plunked , a New York Public Library 100 Titles for Reading and Sharing selection and an NPR Backseat Book Club pick. An editor at Sports Illustrated Kids for many years, he now writes full-time from his home in New York City. Learn more at michaelnorthrop.net.