Read at Home First Skills are fun early learning books, which use your favourite Oxford Reading Tree characters to introduce important first skills to your child. Your favourite Oxford Reading Tree characters make learning fun and memorable. Read at Home First Skills books are the perfect accompaniment to all your Oxford Reading Tree Read at Home storybooks. As with all Read at Home books, the story ends with fun activities for parent and child to enjoy together. Biff's Opposites: Biff and Chip look through some old photos and find lots of opposites! This story introduces children to the concept of opposites. The questions and activities at the end of the story consolidate their learning and help develop the skill of recognising opposites. Throughout the story opposites are introduced at the top of each page and they are also highlighted in the context of the story text.