True Books have been upgraded and updated. Information is presented in a thorough yet engaging manner, featuring lively sidebars, a glossary, visual back matter, and an index.
Common Core Alignment:
RI.3.3. Describe the relationship between a series of historical events, scientific ideas or concepts, or steps in technical procedures in a text, using language that pertains to time, sequence, and cause/effect. RI.4.4. Determine the meaning of general academic and domain-specific words or phrases in a text relevant to a grade 4 topic or subject area.