Why do we need such a book of requirements in our electronic age? Since a concise, accessible summary of relevant information is not consistently available on the Web sites of individual states, this balcony view compilation of state certification regulations enables readers to access and compare information either about different positions within a single state or about a single position in different states. Given the differences in information and formats of the state Web sites, this annual volume continues to offer the most complete and timely listings of the requirements for certification of a wide range of professionals at the elementary and secondary school levels available in a single volume. -- Provided by publisher.