Greek Safer Internet Centre (SIC) has prepared a series of textbooks for all educational levels, which, in collaboration with the Greek Ministry of Education, is intended to be included as auxiliary material in the online safety courses, implemented for the first time in 2020 as part of the "skills development workshops" in schools.The aim of the textbooks is to equip students of all educational levels with the knowledge and the skills for a creative, safe and responsible use of digital technologies. The textbooks are structured in a way that allows educators to delve into each individual topic as they deem necessary according to the maturity and needs of the students in the class.