9Get a FREE eBook download version of this book with purchase I see an ferret. The ferret is brown. Beginning readers can learn all about ferrets in this short book in the I See Animals Series. With less than 20 unique words, kids can find out about interesting animals while building their reading fluency. Each I See Animals book uses simple sentences, sight words, and vibrant photos to help even the earliest readers dive into a nonfiction informational text. The books all contain a note to parents and caregivers with tips for helping kids learn to read. A word list and post-reading activities are also included in every I See Animals book. I See Animals books are all Guided Reading Level C.