They were fun to read. Yet his books sometimes dealt with serious subjects including equality, responsibility and protecting the environment.

VOA: special.2010.05.02

Sometimes the only way doctors can treat an injury like this is to remove frostbitten areas like fingers and toes.

VOA: special.2010.12.22

Investigators sometimes use chemicals and special lighting to uncover fingerprints that cannot be seen with the eye alone.

VOA: special.2010.05.05

Other areas of rock look as if some huge creature violently broke and twisted the Earth to create unusual, sometimes frightening shapes.

VOA: special.2011.08.03

They said any man who worked hard could find five to ten dollars worth of gold a day, and sometimes even more.

VOA: special.2009.05.28

And because she is so important, she sometimes gets to rub shoulders with the top officials.

VOA: special.2010.01.24

Sometimes I feel like a fish out of water when I go to a party and everyone but me is doing the latest dance.

VOA: special.2011.04.10

And the guys, they are sometimes pretty boring because they like to give chocolate and flowers.

VOA: special.2010.02.08

And climbers sometimes have to hold on to rocks by only their fingers or toes.

VOA: special.2009.12.09

However,sometimes a person who appears to be mean and threatening is really not so bad.

VOA: special.2010.05.30

And why is the current president, Barack Obama,sometimes compared to the sixteenth president, Abraham Lincoln?

VOA: special.2009.07.24

Sometimes,yellow newspapers would also make up exciting news stories and false interviews to increase sales.

VOA: special.2009.08.28

These breaks destroy skin and soft tissue, sometimes all the way down to the bone.

VOA: special.2009.04.06

The surgery can sometimes be complex, and may require more than one operation to correct.

VOA: special.2009.12.22