This is the ultimate #Planetary collection. It includes #1-#27 of the original series by creator/writer Warren #Ellis, Planetary/Batman#1, Planetary/JLA #1 and Planetary/Authority #1.
What's this book about, you ask?
Elijah Snow, Jakita Wagner, and the Drummer.
Three people who walk the world in search of some of the strangest things known to humankind that span from centuries in the past or the very near future. They are the mystery archaeologists, explorer's of the planet's secret history, charting the unseen borders of a fantastic world.