
Interact with video, audio and more in Books on Mac
Some books can have interactive diagrams, photos and videos, so you can watch, listen and explore.
- Go to the Books app  on your Mac. on your Mac.
- Click Books (or another collection) below Library in the sidebar. 
- Double-click an interactive book, then do any of the following. - Zoom in or out of an interactive item: Move the pointer over the item, then click the maximise button in the upper-left corner or pinch open on the trackpad. To zoom in further, pinch open again. - To zoom out, click Done in the upper-right corner or pinch closed on the trackpad. 
- Play a movie, slideshow or audio clip: Click the Play button. Some films or audio clips are set to start playing as soon as you view the page. 
- Navigate a gallery: Click the arrows or icons, or when the pointer is over the gallery, swipe left or right across a trackpad. 
- Rotate a 3D object: Click the object and drag it in any direction. 
- Zoom in on an image label (callout): Click the label to zoom in or see its complete description.