As with Key Links Magenta, Red and Yellow titles, Jill Eggleton has carefully sequenced the Blue titles to maximise the scaffolding from one book to the next. Blue titles continue to increase key vocabulary in every book. A Possum in the House is a fiction title. The prompts in the Focus Panels for Blue titles cover a range of Key Targets that are listed in the Teachers' Tool Box (item 7914884). 1 copy.