Sadanotes.com provides 9th class books. Punjab textbook board has released the textbooks for 9th class online as PDFs so you can free download them here. These 9th class books were previously available only in bookstores but now anyone can access this Punjab textbook board 9th class books through their mobile or computer.
You can download the 9th class PTB Books 2022 on sadanotes. Here is the link to all Punjab Textbook.