Due to the impact of the Covid virus on the supply chain, we may need to substitute items in your order without notifying you. We will do our best to provide a similar or higher quality replacement item. Any substitution should not affect lessons, assignments, or projects. If we do have to backorder an item we will do our best to keep you informed of any significant delays.
Attention International Customers
The Postal Service™ is temporarily suspending international mail acceptance for certain destinations due to service impacts related to the COVID-19 pandemic. For more information visit the Service Alert page on the USPS site. Please do not choose USPS shipping if you are ordering from one of these countries.
UPS is still delivering to most countries. For the latest UPS international updates click here
NEW! We are pleased to offer the option of PayPal Credit, which provides 6 months special financing on purchases of $99 or more in our bookstore. Click here for more information.