General William Palmer was a Civil War hero and recipient of the Medal of Honor. He was founder of the Denver and Rio Grande Railroad company, and he established the city of Colorado Springs. 

Joyce B. Lohse, author of Now You Know Bio's for educator Emily Griffith, Dr. Justina Ford, and Molly Brown, brings the story of General William Palmer: Railroad Pioneer as Number 12 in the Now You Know series. 

Bob Sakata overcame poverty, prejudice, and personal hardships to become one of America's most successful and innovative farmers. His family has operated Sakata Farms near Brighton, Colorado, for more than sixty years. 

Daniel Blegen, co-author with Melvin Bacon of Bent's Fort: Crossroads of Culture on the Santa Fe Trail, adds Bob Sakata: American Farmer as lucky Number 13 to the Now You Know series.