Oxford Reading Tree Stages 1 to 9 featuring Biff and Kip
Oxford Reading Tree Glow-Worms levelled poetry, stages 1 - 11.
PM Readers Levelled readers.
Literacy Place - K to 3 collection. Some are available as Big Book kits.
Inquizitve - from Pearson Canada. We have multiple copies of these expository readers.
Oxford University Press Canada has created a clear and useful chart to help compare levelled readers such as Oxford Reading Tree, Reading Recovery and PM levels.
Scholastic Canada explains Reading Levels