The Mystery of the Rolling Chip

With their parents Amit and Ranu, two brothers Vikky and Sona are returning from India to London. Gauri, their cousin has come with them for a holiday abroad.
From the aeroplane itself strange happenings and people trouble Gauri till a nervous man complicates the situation further. Gauri finds herself accused of carrying drugs and she is targetted by a gang as a carrier for an EPROM Chip with nuclear secrets that they have stolen.
This story is about the series of adventures and misadventures that befall Gauri, Vikky and Sona in London and Oxford before they finally resolve the mystery of the EPROM chip that rolled away.