Meet Digger and Daisy They are brother and sister. These dogs like to explore their world and see new things. Sometimes they agree with each other. Sometimes they disagree. But no matter the situation, one thing always stays the same--their love for each other. In playful, simple stories written especially for the K-1 audience, author Judy Young explores the dynamics and nuances of the sibling relationship. In Digger and Daisy Go to the Doctor, Digger feels unwell and Daisy takes him to the doctor. But the checkup doesn't go as Daisy had planned.