Are you a Birch, the achiever? Or are you an Oak, the stable one? Find out who you are in the Who Are You Series? This series takes a closer look at the most popular personality theories from star charts to numerology to psychology assessments. Celtic Tree Astrology takes a closer look at the ancient history of Celtic astrology. This hi-low title uses considerate text written at a higher maturity level with a lower reading level to engage struggling readers. A table of contents, glossary with simplified pronunciations, and index all enhance comprehension. Informative sidebars include fast facts, science connections, and spotlight biographies. Backmatter includes four quizzes inspired by Celtic Tree astrology.