Digging deeper
Sandra Markle
Discusses various aspects of geology, such as plate tectonics, erosion, and mineral resources. Includes related experiments and activities.

by Lu su wei zhu (2011)
Ben shu tong guo 20 pian wen zhang, 18 ge sheng dong de gu shi, rang fu mu zhong xin jing li he liao jie liao hai zi shi wei shi me bian " huai " de, ta men de xin dao di zai xiang xie shi me . ling wai, zhen dui an li zhong shen ceng wa jue dao de ren xing, zuo zhe lu su wei dui fu mu he hai zi ti chu liao zhong ken de jian yi.
Sandra Markle
Discusses various aspects of geology, such as plate tectonics, erosion, and mineral resources. Includes related experiments and activities.
Kama Einhorn
Part of a 25-book set: Word family tales: "a learning library of rhyming storybooks that teach the top 25 word families"--Container.
Rhoda and Leda Blumberg
Lays to rest commonly accepted "facts," myths, and old wives' tales on a variety of topics, including mammals, American history, inventions, health, food and drink, sports, and weather.
Anne Rossignol
Apres une introduction a l'oceanographie physique (mouvements des masses d'eau), l'auteure de ce carnet accessible a tous "demontre, a partir des sels azotes, comment l'estuaire maritime et le golfe se peuplent d'algues, de copepodes, de capelans ou de crabes."