```js

!!book.define name:'duniayetu' title:'Dunia Yetu Internet 4.0'
        url:'https://git.ourworld.tf/threefold_coop/info_threefold_coop/src/branch/main/books/duniayetu_dar'


!!book.collections_add book:'duniayetu'
        url:'https://git.ourworld.tf/threefold_coop/info_threefold_coop/src/branch/main/collections'



```