Inquisitive Otto is an undersea adventure story for 4 to 6 year olds. Otto is an octopus who lives under the sea with his mum and many friends. His best friend Ola is also an octopus and together they explore their world. Written with the total development of the child in mind, there is a sea of information for interesting lessons to reinforce language, numeracy, socially accepted behavior, physical activity, and creativity.