- eBookHalogens and Noble Gases, Second EditionMonica Halka
- eBookAlkali and Alkaline Earth Metals, Second EditionMonica Halka
- eBookTransition Metals, Second EditionMonica Halka
- eBookLanthanides and Actinides, Second EditionMonica Halka
- eBookNonmetals, Second EditionMonica Halka
- eBookMetals and Metalloids, Second EditionMonica Halka