William Wenton and the Secret Portal

Twelve year-old genius William Wenton is still getting used to his extraordinary talent for cracking codes, but when an ancient artefact mysteriously disappears from a museum in Oxford, William must gear up for his most dangerous adventure yet - against an enemy hell-bent on unleashing an ancient cryptoportal of untold power. From the quiet streets of Oxford to the dizzying heights of the Himalayas, this race-against-time adventure will push this young hero's skills to the limit.