You can insert videos from video hosting websites into your book. Video insertion involves 3 steps.
You can use another hosting service if you want.
Once the video transfer is completed, open the page that contains your video and copy the integration HTML code:
Under the video, click Share then </> Embed
Under the video, click Share then Embed
Click </> EMBED on the video
(If you use another service, the integration code is usually below the video and is accessed by using an share or embed button.)