16. Five go to Billycock Hill

In book sixteen, it's holiday time at Billycock Hill and the Famous Five make new friend - a real pilot! But when he disappears with top secret equipment, the Five begin to wonder if their new friend could be a spy, or worse, a traitor.

Whatever his motives, the gang feel duty-bound to investigate

17. Five Get Into A Fix

The Famous Five are ski-ing - having lots of fun in the snow! But it's not long before they have a new mystery to solve. Like, who is living in the mysterious house near the chalet they're staying in? The caretaker says nobody has lived there for years, but the Five are sure they've seen a face at one of the windows . . . A terrified, haunted face, too. Have the gang got the courage to go close enough to the house to find out . . ?

18. Five On Finniston Farm

There's a ruined castle on Finniston Farm, but only the dungeons remain - and nobody knows where they are! The Famous Five are determined to find them - and whatever is hidden in them - but they are not alone. Someone else wants to know, too. The question is: can the Five get there first?

19. Five Go To Demon's Rocks

The Famous Five have heard the stories about treasure on Demon's Rocks - but they never thought they were really true! But then they discover a very old and valuable gold coin and what was a myth becomes real! Who does the treasure belong to? The gang are determined to find out, but first they need to know who else is exploring Demon's Rocks for the Treasure - just like they are . . .

20. Five Have A Mystery To Solve

Whispering Island - another mysterious place, with a million stories sorrounding it . . . Is it haunted? The Five are intrigued, but scared, too. Are they brave enough to go there and find out . . .

21. Five Are Together Again

the final Famous Five adventure . . .