"Her book is full of jokes."

Translation: Ŝia libro estas plena je ŝercoj.

[zmjb1]

Jes vi povas uzas de anstataŭ je sed i still do not understand why je would be used when it seems to me de is a perfectly good translation

[zmjb1]

I also wish we could wdit our posts to fix errors. *uzi

[mihxal]

You can edit your post. "De" expresses rather possession.

[Davgwynne]

"De" isn't only used for possession. "Manko de ..." for a lack of ktp.