Share Print Dolphin Readers are an exciting and varied series of readers for young learners. They are available at five levels, and cover a range of fiction and non-fiction topics. Introduction PDF (51 KB) Information on the series, using the books, and using the audio CDs. Word Lists PDF (21 KB) List of the most common words that appear at each level of Dolphin Readers. What is in Dolphin Readers? PDF (208 KB) List of topics, vocabulary, and grammar that you will find in each Dolphin Reader. Teacher's Handbook and Free Activities Download the Teacher's Handbook pages and free activities for each title.