Why has an eccentric old scientist been acting even more strangely than usual? Who owns the yellow van that mysteriously appears everywhere? Will Baninjano be saved from certain peril? This is a tale of growing suspense as Princess Emily and the Royal Pets – Albert, Poppy, Jacob and Carrie the cat – are forced into a fearsome battle to keep the Deadly Secret free from falling into enemy hands. Remarkable illustrations by Princess Emily (with a few by Poppy) help explain the various twists and turns in this extraordinary adventure, as battling against overwhelming odds it seems they face disaster...