Thanks! I used webscrapper https://chromewebstore.google.com/detail/web-scraper-free-web-scra/jnhgnonknehpejjnehehllkliplmbmhn to get it. Here is the export
{"_id":"Observable_Notebooks","startUrl":["https://observablehq.com/@john-guerra?tab=notebooks&publishLevel=live%2Cpublic&sort=edited&direction=desc&page=[1-10]"],"selectors":[{"id":"notebook","parentSelectors":["_root"],"type":"SelectorElement","selector":"div.display-grid div.pb2","multiple":true},{"id":"Name","parentSelectors":["notebook"],"type":"SelectorText","selector":"a.v-mid","multiple":false,"regex":""},{"id":"Date","parentSelectors":["notebook"],"type":"SelectorText","selector":"span[title]","multiple":false,"regex":""},{"id":"Link","parentSelectors":["notebook"],"type":"SelectorLink","selector":"a.v-mid","multiple":false,"linkType":"linkFromHref"},{"id":"Thumb","parentSelectors":["notebook"],"type":"SelectorImage","selector":"img","multiple":false},{"id":"Likes","parentSelectors":["notebook"],"type":"SelectorText","selector":"div.dib","multiple":false,"regex":""},{"id":"timestamp","parentSelectors":["notebook"],"type":"SelectorElementAttribute","selector":"span[title]","multiple":false,"extractAttribute":"title"},{"id":"author","parentSelectors":["notebook"],"type":"SelectorLink","selector":"a.mr1","multiple":false,"linkType":"linkFromHref"}]}