Some online reading suggestions:

• Duostories – A website with Unofficial Greek Duolingo Stories. Featuring 85 stories in Greek with built in comprehension checks.
• Παιδικά παραμύθια – An online collection of children’s fairy tales and stories
• Interactive Greek Textbooks – from ebooks.edu.gr
• Ανθολόγιο Λογοτεχνικών Κειμένων – from ebooks.edu.gr
• Ανοικτή Βιβλιοθήκη – They have a large variety of offerings for adults including literature, novels, poetry, audio books and more as well as books for children (Παιδική λογοτεχνία )
• Παιδικά Παραμύθια – Children’s fairy tales