In this book written by Jean Warren, youÆll find a rich assortment of activities designed especially for three- to five-year-olds, all based on the themes and concepts preschool teachers need. The On Parade series can bring about the learning and excitement you want for your preschool classroom. Because the ideas are practical and easy, you'll maximize your time while you build you little learners' skills. 160 pages. PreKindergarten.