Un o gyfres o bedwar llyfr wedi'u graddoli, gyda'r nod o ehangu geirfa a gwybodaeth am iaith yn ogystal â gwella sgiliau darllen disgyblion Cyfnod Allweddol 2.
One of a series of four graded books, aimed at expanding Key Stage 2 children's vocabulary and language knowledge and improving their reading skills.
