The three publications reviewed herein deal with the complex of hazards which may derive from the agricultural and commercial handling of combustible particulate and gaseous materials. The principal thrusts of each book differ substantially from those of the other two. This review first attempts to consider the essential combustion processes which underlie the hazards of common concern in all three works. Each of the three books is then considered on an individual basis. The three publications are designated Books (1)– (3) respectively and are listed below: