info_tfgrid/heroscript/mbweni/book_collections.md

!!mdbook.export 
    title:'Mbweni Ruins and Gardens'
    description:'Mbweni Ruins and Gardens book' 
    name:'mbweni' 
    summary_url:'https://git.threefold.info/tfgrid/info_tfgrid/src/branch/main/books/mbweni'
    collections:'mbweni, freeflow' 
    production:0 //means we put it in summary