Cirrus@Austlit

'After their adventures in Transylvania, Anna and Max just want to stay out of trouble – but trouble has other plans. The Professor’s taken them to the cold and foggy fields of England, where a new mystery is afoot. A small boy has disappeared near a strange and mysterious river, lost without a trace.

'Armed with her magical white knife, Anna is determined to crack the case, boldly leading Max into danger and darkness. With memories of the fairy world still haunting her dreams, Anna feels sure that another monster is behind the boy’s disappearance. But when the sinister secret of the river is finally revealed, will the siblings be able to save the missing boy – and themselves?'

Source: Publisher's blurb.

'A storm is raging around the forests of Transylvania, where siblings Anna and Max are visiting with the Professor. Left alone to explore a creepy old inn, the children discover that something evil is lurking in the trees – and it just might have a taste for human blood.

'When Max goes missing, it’s up to Anna and her new friend Isabella to rescue him. Setting out in the dead of night, with the storm howling around them, the girls will face peril after peril. Only one thing is certain: even if Anna can find a way to rescue her brother, Max will never be the same again.' (Synopsis)

'Billie and the Secret Mystery Club have been given a very important mystery to solve for the principal at school. A long time ago, a time capsule was hidden in the school somewhere, and it's up to the SMC to find it!' (Publication summary)

'Someone has taken something from the principal's office at school! Who would have done such a terrible thing? And when one of Billie's friends becomes a suspect, will Billie even know who to trust anymore?' (Publication summary)

'Someone has stolen all of the ripe strawberries from Mika's garden! The Secret Mystery Club is determined to work out who it was. Could it have been the gardener? Or was it the neighbours who just made a batch of strawberry jam? Whoever it was, they won't get far - not with the SMC on the case.' (Publication summary)

'Who has put leaves in Lola's sandwich? It's a real mystery. Soon everyone suspects Benny, but could they have the wrong kid? It's up to the SMC to find the real culprit!' (Publisher's blurb)

'One day Billie and Jack find a note hidden under a rock at school. It seems to be written in code! It's time the two friends put their code-breaking skills to the test. ' (Publisher's blurb)

'Billlie and her friends have started a Secret Mystery Club ... but they don't have any mysteries to solve. Then Billie remembers the spooky house at the end of the street. They are sure it's haunted. Sooo scary! But if anyone can handle ghosts, it's Billie B Brown! ' (Publisher's blurb)