Senator Richard J. Durbin, a Democrat, easily overcame a challenge by Jim Durkin.
Another Democrat, Representative Earl Pomeroy, overcame a challenge from Duane Sand, a Republican.
Books for eight to 12s are often about growing up, self-discovery, overcoming a challenge.
Mr. Trimble overcame a challenge last month to retain his leadership post.
In other races, the Republican incumbent in the Sixth District, Representative Michele Bachmann, overcame a challenge from the Democrat Elwyn Tinklenberg.
"As the first black and female worker on several construction sites, she has shown she can overcome a challenge.
Republicans held on in one tough race, in which Senator Conrad Burns of Montana overcame a challenge that was largely focused on the prescription drug issue.
Last month, he made his case on the bike at the para-cycling championships in Los Angeles, overcoming a challenge on the track from an equally matched Costa Rican rider.
He will awaken in the now, on Friday, to face one tough 47-year-old player in Jimenez, and looming, should he get past that challenge, is Martin Kaymer, who overcame a challenge from Justin Rose in 20 holes.
To overcome a challenge in transesophageal echocardiographic (TEE) training, an online virtual TEE simulation was developed that allows the user to navigate among the 20 standard views.
An ally of H. Ross Perot, the party's founder, Mr. Choate overcame a challenge to his leadership earlier this year from a wing of the party led by Gov. Jesse Ventura of Minnesota.
