You have exceeded your limit for simultaneous device logins.
Your current subscription allows you to be actively logged in on up to three (3) devices simultaneously. Click on continue below to log out of other sessions and log in on this device.
Readers in upper elementary grades, especially young makers and those with a particular interest in technology, will be drawn to this title, but it would be wise to have more judicious treatments of the topic on hand to counter its relentlessly optimistic viewpoint.