The Amazing Book – Promo Video by OVAL on CGguy
https://elements.envato.com/the-amazing-book-promo-video-V7SGTU8
Free 
Book and eBook Promotion by snowcake on CGguy
https://elements.envato.com/book-and-ebook-promotion-X9GDF2V
Free 
E-Learning Animation | After Effects by Graphiqa on CGguy
https://elements.envato.com/e-learning-animation-after-effects-3X798YW
Free