Complex sentence: Oktar published volume 1 of "The Atlas of Creation" with Global Publishing, Istanbul, Turkey in October 2006, volumes 2 and 3 followed in 2007, and volume 4 in 2012.
Split into simpler sentences: Oktar published volume 1 of "The Atlas of Creation" with Global Publishing, Istanbul, Turkey in October 2006. Volumes 2 and 3 followed in 2007 and volume 4 in 2012.