Jen Lilienstein is the author of the award-winning book, A Parent's Playbook for Learning, and Founder of Kidzmet.com--a website dedicated to helping parents and teachers understand how kids learn best. At home, she practices what she preaches in her Playbooks for Learning with her daughter (an Extraverted Intuitive) and son (an Introverted Sensor) who are as different as yin and yang.