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Codes can carry big secrets! Throughout history, lots of good guys and lots of bad guys have used codes to keep their messages under wraps. This fun and flippable nonfiction features stories of hidden treasures, war-time maneuverings, and contemporary hacking as well as explaining the mechanics behind the codes in accessible and kid friendly forms. Sidebars call out activities that invite the reader to try their own hand at cracking and crafting their own secret messages.
We offer free standard UK delivery on all orders over £50.
Orders up to £30 are charged a flat fee of £4.95
Orders between £30.01 and £50 are charged a flat fee of £6.95.
Usual UK delivery timescale (excluding custom prints) is between 5 and 7 working days from the date of dispatch. Please allow up to 14 working days for delivery. For custom print delivery pricing and timescales see below. These timescales may vary especially when we have online sales and in the weeks before Christmas.
Delivery Worldwide
We can also ship to selected countries worldwide.
For full details, including prices, click here.
Custom Prints
Your prints and frames will be handmade by King & McGaw at their Sussex workshop.
Unframed orders are shipped within 5 working days (normally shipped next day).
Framed orders are shipped within 20 working days.
Further information on delivery timescales for custom prints can be found here.
If you are not completely satisfied with your item you may return it within 28 days for a refund.
For further details on returns click here.
Unfortunately we cannot offer a refund on custom prints unless they are faulty or we have made a mistake. Custom prints are exempt as they are made to order.
Manufacturer/Publisher: Bloomsbury
Binding: Hardback
Author: Ella Schwartz
SKU: 9781681195148
Codes can carry big secrets! Throughout history, lots of good guys and lots of bad guys have used codes to keep their messages under wraps. This fun and flippable nonfiction features stories of hidden treasures, war-time maneuverings, and contemporary hacking as well as explaining the mechanics behind the codes in accessible and kid friendly forms. Sidebars call out activities that invite the reader to try their own hand at cracking and crafting their own secret messages.
We offer free standard UK delivery on all orders over £50.
Orders up to £30 are charged a flat fee of £4.95
Orders between £30.01 and £50 are charged a flat fee of £6.95.
Usual UK delivery timescale (excluding custom prints) is between 5 and 7 working days from the date of dispatch. Please allow up to 14 working days for delivery. For custom print delivery pricing and timescales see below. These timescales may vary especially when we have online sales and in the weeks before Christmas.
Delivery Worldwide
We can also ship to selected countries worldwide.
For full details, including prices, click here.
Custom Prints
Your prints and frames will be handmade by King & McGaw at their Sussex workshop.
Unframed orders are shipped within 5 working days (normally shipped next day).
Framed orders are shipped within 20 working days.
Further information on delivery timescales for custom prints can be found here.
If you are not completely satisfied with your item you may return it within 28 days for a refund.
For further details on returns click here.
Unfortunately we cannot offer a refund on custom prints unless they are faulty or we have made a mistake. Custom prints are exempt as they are made to order.
