Below H2O Books - Jellyfish Hugs. A collections of sea-mingly simple tales of quirky underwater creatures that explore friendship, kindness and bravery. The inspiration for the series comes from combining a lifelong fascination with the ocean and the magnificent creatures within it with the lives of the children and the topics that are important to them. All the books are written for kids ages 4 to 8. Jellyfish Hugs is the first book in the series.