PurposeThis study aims to examine the perception and preference of parents for their children using mobile devices to read. The pros and cons of electronic books and print books are examined from the parents' perspective.Design/methodology/approachSemi-structured interviews were conducted with 11 parents in Hong Kong, who have children in primary and secondary schools. Their opinions were summarized into common themes to explore their choice of books for children in terms of format and content.FindingsThe findings indicated that most parents and schools still prefer print books unless required by schools. However, the e-book has played an essential role under the current COVID-19 pandemic and digital literacy development.Originality/valueScant studies focus on parents' views on their choice of book formats for children, especially for East Asian metropolises. The findings are useful for schools, teachers and publishers to explore publication and collection, as well as market development in digital reading resources.