PM Ruby Readers and Cards are suitable for a range of reading ages, though the concepts and topics are of interest to ten-and-eleven-year-old students.

The chapter books offer a selection of stories chosen for their range of content, characters, discussion topics, narrative and points of view. They explore rich issues such as bullying, natural disasters and astronomy.

The PM Plus Ruby Level Non-fiction titles focus on the changing environment, while the PM Library Non-fiction titles explore student-centred sport. These titles are linked to sports heroes, events and technology and offer a range of texts, text types and text forms, including narrative, procedure, timeline, interview and newspaper report.