the text on the book is:
楽しむための
アフタヌーン
ティー
レッスン
the last bit, アフタヌーンティーレッスン is read as "afutanuun tii resson" which is just "afternoon tea lesson(s)"
楽しむ (tanoshimu) is a verb meaning "to enjoy" or "to have fun"
ため (tame) means "purpose", "for the sake of", etc.
the の (no) here just connects...