From their announcement:
The Core rulebook is 96 pages, full color hard cover MSRP 19.99USD. The Core Rules book will be available 18 July it contains the basic rules to play plus Terrain Interaction rules, 20 objective based scenarios, campaign rules, and elements effects for the games. The Forcelist book will be release at gencon and will MSRP for 39.99USD full color hard cover 356 pages. It contains 13 unique forcelists to play encompassed by the 150+ miniature range of DAG.