See the full experiment here: http://www.stevespanglerscience.com/lab/experiments/inseparable-books Notebooks are a necessity in every science setting. Graphs, observations, procedures... all of science falls by the wayside without a way of recording the information. Here's a fun fact: two notebooks are even better than one! When you intertwine two notebooks, page by page, they become Inseparable Books! Check out this hands-on activity and see if you can overpower the friction between the books! Want more experiments like this? Check out http://www.stevespanglerscience.com/product/naked-eggs-and-flying-potatoes Sick Science™ is a trademark of Steve Spangler, inc. © 2014 Steve Spangler Science all rights reserved