Nope, its a whole bunch of authors: Jude Watson, Linda Sue Park, Gordon Korman, Partrick Carmen, and Rick Riordan -im not sure if there are more-
Patrick Carman
Patrick Carman wrote The Black Circle, the 5th book in the 1st 39 Clues series.
There are no official Cliff Notes specifically for the book "The 39 Clues" by Patrick Carman. However, you may find various online summaries or study guides that could help you understand the key points and themes of the book.
You can download "The 39 Clues Book 5: The Black Circle" by Patrick Carman from online bookstores like Amazon, or through e-book platforms like Kindle or Apple Books. You may also find it available for download on websites that offer e-books.
rick Riordan,Gordon korman,peter lerangis,Jude Watson,Patrick carman,linda sue park,Margaret Peterson haddix
Rick Riordan Gordon Korman Peter Lerangis Jude Watson Patrick Carman Linda Sue Park Margaret Peterson Haddix
rick Riordan,Gordon korman,peter lerangis,Jude Watson,Patrick carman,linda sue park,Margaret Peterson haddix
7 authors have written the books. Rick Riordan (1), Gordon Korman (2,8), Peter Lerangis (3,7), Jude Watson (4,6), Patrick Carman (5), Linda Sue Park (9) and Margaret Peterson Haddix (10)
It is rumored that he is playing Ian, but not for sure.
7 authors have written the books. Rick Riordan (1), Gordon Korman (2,8), Peter Lerangis (3,7), Jude Watson (4,6), Patrick Carman (5), Linda Sue Park (9) and Margaret Peterson Haddix (10)
7 authors have written the books. Rick Riordan (1), Gordon Korman (2,8), Peter Lerangis (3,7), Jude Watson (4,6), Patrick Carman (5), Linda Sue Park (9) and Margaret Peterson Haddix (10)
It means that 29 of the 39 clues are currently available.