I realised I'm late to the 'Blacksad' party but there you go, for all lovers of the series here are some Juanjo Guarnido sketchbooks to look out for...
https://boysadventurecomics.blogspot.com/2024/05/juanjo-guarnido-sketchbooks.html
https://boysadventurecomics.blogspot.com/2024/05/juanjo-guarnido-sketchbooks.html