"A group of kids discovers they were cloned from the DNA of some of the greatest criminal masterminds in history for a sociological experiment"--

A portrait of the Edwardian era recounts two parallel stories--the case of Dr. Hawley Crippen, who murdered his wife and fled to America, and Guglielmo Marconi, the inventor of wireless communication--as the new technology is used to capture a killer.

Rosie Revere is no stranger to flops and fails, kerfuffles and catastrophes. After all, engineering is all about perseverance! But this time, Rosie has a really important project to tackle--one that feels much bigger than herself. Rosie's beloved Aunt Rose and her friends, the Raucous Riveters--a group of fun-loving gals who built airplanes during World War II--need help inventing something new. And Rosie is just the engineer for the job! After one...

"First published in 1962, this book alerted a large audience to the environmental and human dangers of indiscriminate use of pesticides. The outcry that followed its publication forced the banning of DDT and spurred revolutionary changes in the laws affecting our air, land, and water. 'Silent Spring became a runaway bestseller, with international reverberations ... [It is] well crafted, fearless and succinct ... Even if she had not inspired a generation...

Her name was Henrietta Lacks, but scientists know her as HeLa. She was a poor Southern tobacco farmer, yet her cells--taken without her knowledge--became one of the most important tools in medicine. The first "immortal" human cells grown in culture, they are still alive today, though she has been dead for more than sixty years. HeLa cells were vital for developing the polio vaccine; uncovered secrets of cancer and viruses; helped lead to in vitro...

"When Rosie Revere's Uncle Ned gets a little carried away wearing his famous helium pants, it's up to Ada and friends to chase him down. As Uncle Ned floats farther and farther away, Ada starts asking lots of questions: How high can a balloon float? Is it possible for Uncle Ned to float into outer space? And what's the best plan for getting him down?"--

The After School Kids' Care director wants to get into The Guiness Book of World Records, and A. J. and the gang jump in to help him.

Following a day of misadventures Curious George becomes the first space monkey.

Mr. Docker, a new science teacher, is a crazy inventor who blows things up, uses potatoes for power, and has A.J. and his friends wondering whether science is for nerds or is the coolest subject ever.

Ella Mentry School hires a health teacher who tries to force the students to eat healthy foods and exercise, whether they want to or not.