Understanding Christianitycovers the history of Christianity and how the religion has evolved and expanded. Readers learn about its branches, church services, and world contributions. This title also discusses challenges that have arisen as Christians interact with people of other faiths. Features include a glossary, references, websites, source notes, and an index. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.