I was provided copies for feature
Launchers, Lobbers, and Rockets Engineer: Make 20 Awesome Ballistic Blasters with Ordinary Stuff
What a great book for the Engineering Tinker DIY-er! You can learn to make launchers from materials like PVC, soda bottles, rubber bands, hairspray cans, and more! Then these are capable of firing marshmallows, poker chips, tennis balls, sponges, and plenty more. How fun! Released June 2018 from Quarto Knows. Available on Amazon too!
The Nerf Blaster Modification Guide: The Unofficial Handbook for Making Your Foam Arsenal Even More Awesome
Anthony is 10 and the NERF guns have been running through this home all summer with the neighbor boys! I really had no clue about all the ways you can modify a Nerf gun to increased range, projectile speed, and firing capacity. Did you? This guide comes with easy-to-follow instructions, which are completely illustrated with step-by-step studio photography; so you’ll never get confused. Released October 16, 2018 from Quarto Knows. Available at Amazon!