The Legend of Viking Thunder

'A complete triumph of imagination . . . readers are going to fall in love with this brilliant series.' A. F. Steadman, bestselling author of Skandar

The action adventure of Indiana Jones meets the time travel of Doctor Who in the second title of this epic series by bestselling award-winner M. G. Leonard. Perfect for fans of Adventures on Trains. Illustrated throughout in black and white by Manuel Šumberac.

Sim's Uncle Emmett is missing and on the run from the ruthless Council of Keys. Sim and his cousin Jeopardy are determined to find him. Their search takes them through a hidden door in time to Viking Norway and a desperate mission across land and sea to stop the legendary Gjallarhorn - said to herald Ragnarök, the end of the world - from falling into the wrong hands.

The Legend of Viking Thunder can be read as a stand-alone novel, or enjoyed as part of the thrilling Time Keys series written by M. G. Leonard. Follow Sim and Jeopardy's adventures in the series in Hunt for the Golden Scarab.

Praise for the series: 'Classic and fresh - a breathtaking adventure.' Eoin Colfer, bestselling author of Artemis Fowl

‘Fast, dramatic, exciting’ Hannah Gold

'A spellbinding, seat-of-the-pants adventure . . . fabulous, fast-paced and thrilling.' Jonathan Stroud

'A note-perfect, time-travelling blockbuster.' Jack Meggitt-Phillips, bestselling author of The Beast and the Bethany

‘Absolutely brilliant page-turner’ Lauren St John

‘A captivating time travel adventure’ – Rashmi Sirdeshpande

© 2025 Macmillan Children's Books (Hljóðbók): 9781035039128

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Hljóðbók: 11 september 2025