Skip to content

Get a card
Hours and locations
Shop
Account

tlcpl mark

Books+
Learn
Programs
- Calendars
  Young children (0-5)
  Kids (6-10)
  Teens (11-17)
  Adult classes and programs
  Storytimes
  Book clubs
  View full calendar
- Trending Now
  Arab American Heritage Month
  Authors!
  Better Toledo | Tony Porter
  Romance-Con
Services
- Library services
  Dog licensing
  Home delivery
  Job search help
  Local History resources
  Making and studio spaces
  Mobile Services
  New American Services
- column2spacing
  Obituaries
  Passports
  Printing, copying, and faxing
  Register to vote/civics help
  Reserve a space
  Small business and nonprofit support
- Community services
  Adult education
  Healthcare
  Job Search Help
  Legal services
  Social services
  All community services
Connect
- Library Information
  About us
  Employment opportunities
  Leadership
  Off the Shelf magazine
  Policies
  Reports
  Strategic priorities
- Connect with Us
  Blog
  Contact us
  Digital equity
  Doing business with the Library
  Local author submission
  Newsletter sign up
  Partner with us
  Suggest a purchase
- Support
  Friends of the Library
  Give
  Library Legacy Foundation
  Volunteer
Blog
Get a card
Hours and locations
Shop

Books+
Learn
Programs
- Calendars
  Young children (0-5)
  Kids (6-10)
  Teens (11-17)
  Adult classes and programs
  Storytimes
  Book clubs
  View full calendar
- Trending Now
  Arab American Heritage Month
  Authors!
  Better Toledo | Tony Porter
  Romance-Con
Services
- Library services
  Dog licensing
  Home delivery
  Job search help
  Local History resources
  Making and studio spaces
  Mobile Services
  New American Services
- column2spacing
  Obituaries
  Passports
  Printing, copying, and faxing
  Register to vote/civics help
  Reserve a space
  Small business and nonprofit support
- Community services
  Adult education
  Healthcare
  Job Search Help
  Legal services
  Social services
  All community services
Connect
- Library Information
  About us
  Employment opportunities
  Leadership
  Off the Shelf magazine
  Policies
  Reports
  Strategic priorities
- Connect with Us
  Blog
  Contact us
  Digital equity
  Doing business with the Library
  Local author submission
  Newsletter sign up
  Partner with us
  Suggest a purchase
- Support
  Friends of the Library
  Give
  Library Legacy Foundation
  Volunteer
Blog
Get a card
Hours and locations
Shop

Catalog

Catalog
Website
Programs

Start your search...

Blog: ciphers

So you want to be a cryptanalyst…

Learn more about the history and future of codes and ciphers (and maybe how to create your own!)

_ticket
Blog
Off the Shelf – Fall 2021
Off the Shelf – Fall 2022
Off the Shelf – Fall 2023
Off the Shelf – Summer 2022
Off the Shelf – Summer 2023
Off the Shelf – Winter 2022
Off the Shelf – Winter 2023
Off the Shelf – Winter 2024
Uncategorized

If you enjoy this content, sign up for more news with our specialty newsletters such as educators, local history, nonprofit and business support, and more!

325 Michigan Street, Toledo, Ohio 43604
419.259.5200

National IMLS Medal Winner

About us
Contact us/get help
Doing business with the Library
Give
Employment

About us
Contact us/get help
Doing business with the Library
Give
Employment