Joey and Lisa Hajda (pronounced hi-duh as in hidaway) are the home schooling parents of ten children, aged 10-31. Joey has a doctorate degree in veterinary medicine and a masters degree in curriculum and instruction. He has taught at the middle, high school and community college levels for over 25 years. Lisa has bachelors degrees in animal and veterinary science and a masters degree in elementary curriculum and instruction. Their children have been homeschooled through high school. Joey and Lisa are also the authors of Friendly Chemistry and Friendly Anatomy.