‘This isn’t going to stop us! We’re definitely going to find Wills!’ No one knows where Wills has gone – and his best friends, the twins Harry and Camilla – are very worried. Last time they saw him, Wills was with the Black Hand Gang – and he looked extremely unhappy! Luckily, Wills has left the twins lots of clues to follow – maybe they’ll find him soon. You can solve the mystery, you can find Wills. You’ll discover his fantastic inventions too!

Nič nás nezastaví! Určite nájdeme Willsa! Nikto nevie, kam sa Wills podel – a jeho najlepší priatelia, dvojčatá Harry a Camilla, sa o neho boja. Keď ho videli naposledy, Wills bol s gangom Black Hand – a nevyzerali veselo! Našťastie Wills nechal dvojčatám niekoľko stôp – možno ho tak rýchlo nájdu. Aj ty môžeš vyriešiť záhadu, môžeš nájsť Willsa. A taktiež objavíš fantastický vynález!