Princess Sophie and the Christmas Elixer By Mike Martin – Pump Up Your Book Tour. Genre: Children’s Picture Book. Princess Sophie and the Magic Elixir is the story of a young girl who loves Christmas. When she sees that the people of Melodica are losing their Christmas spirit, she sets out to help them rekindle their magic. At the end she finds that all we really need is to believe in the power of love. Read Excerpt and Guest Post.