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 SkandarThe 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. Supports the key stage 2 curriculum. 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 and The Impossible Gladiator (coming in February 2026).Praise for the series:'Classic and fresh – a breathtaking adventure.' – Eoin Colfer, bestselling author of Artemis Fowl'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

M. G. Leonard has made up stories since she was a little girl but back then people called them fibs or tall tales, so she didn’t think to write them down. After a successful career in the music industry and the arts, she finally dared to put pen to paper. Her inventive stories about beetles, birds, and trains are hugely popular. Her books have been translated into over forty languages and won many awards. In this, her most ambitious series yet, M. G. Leonard combines her passion for music, love of history, and instinct for adventure, to bring readers the Time Keys books.Manuel Šumberac is a Croatian based illustrator and animator. He graduated from the Academy of Fine Arts in Zagreb where he was drawn towards the fascinating world of illustration. His work has been published and recognized in numerous book illustrations and covers, including The Dalemark Quartet, Orphans of the Tide, The Night Before Christmas and Steampunk Frankenstein, among many others. Manuel creates his illustrations using digital techniques combined with traditional media.