Clockwork ghost [York Volume: bk. 2]by Ruby, Laura 

BTSB Prebound(Walden Pond Press, 2019)

BTSB #: 769695 Available

Dewey: FAges: 8-12   
AR: 5 MG RC: 4.5 6-8 Lexile: 740

Genres: Mystery Fiction

Subjects: Mystery fiction Ciphers - Fiction New York (N.Y.) - Fiction

Summary: Only a few weeks ago Tess, Theo, and Jaime saw their beloved home destroyed while trying to solve the secrets of the Morningstarr's cipher. But the cipher still isn't solved since the demolition of their home only revealed the next clue. As they try to unravel the remaining secrets, they face dangers from hostile competitors known and unknown, causing them to wonder how much they will have to sacrifice to reach the end.

Maps of stars [York Volume: bk. 3]by Ruby, Laura 

BTSB Prebound(Walden Pond Press, 2020)

BTSB #: 769742 Available

Dewey: FAges: 8-12   
AR: 4.9 MG Lexile: 720

Genres: Mystery Fiction

Subjects: Mystery fiction Ciphers - Fiction Friendship - Fiction New York (N.Y.) - Fiction

Summary: Tess, Theo, and Jaime attempt to complete the Morningstar's vision, and avert a global crisis of historic proportions.

Shadow cipher [York Volume: bk. 1]by Ruby, Laura 

BTSB Prebound(Walden Pond Press, 2017)

BTSB #: 769752 Available

Dewey: FAges: 8-12   
AR: 5.3 MG RC: 5.7 6-8 Lexile: 780 HL

Genres: Mystery Fiction

Subjects: Ciphers - Fiction Mystery fiction New York (N.Y.) - Fiction

Summary: Book one: Three kids try to solve the greatest mystery of the modern world: a puzzle and treasure hunt laid into the very streets and buildings of New York City. And if they want to save their home from being destroyed by a real estate developer, they must quickly prove the Old York Cipher is real.