The Clue Hunt is first series of The 39 Clues, and is primarily about Dan Cahill and Amy Cahill searching for the ingredients of The Master Serum. There are eleven books in the series, with Vespers Rising being the final book.
The Clue Hunt is first series of The 39 Clues, and is primarily about Dan Cahill and Amy Cahill searching for the ingredients of The Master Serum. There are eleven books in the series, with Vespers Rising being the final book.