info_tfgrid/heroscript/tfgrid3/book_collections.md

!!mdbook.export 
    title:'ThreeFold Grid 3.14' 
    name:'tfgrid3' 
    description:'This book covers the details and features of ThreeFold Grid 3.14.' 
    summary_url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/books/tfgrid3'
    collections:'tfgrid3, def, tech, values, partners_utilization' 
    production:0 //means we put it in summary