Our book publishing company, Constructing Modern Knowledge Press is having a Black Friday sale! From Black Friday( November 29, 2019) to Cyber Monday (December 2, 2019) all our Kindle books will be available for $1.99!
![](https://i0.wp.com/inventtolearn.com/wp-content/uploads/2019/11/2-buck-book-sale-1.png?w=525&ssl=1)
All Kindle versions of Constructing Modern Knowledge Press books, including the newly revised 2nd edition of Invent to Learn: Making, Tinkering, and Engineering in the Classroom, The Invent to Learn Guide to 3D Printing in the Classroom, Making Science, The Inner Principal, and Education Outrage will be discounted up to 80% from November 29 – December 2, 2019! (Offer good at Amazon.com and Amazon.co.uk)