Jenna can't wait to buy a new phone. But when something unexpected happens, she has to figure out a different, more risky way to buy it! CSI Chapters is a...
Have you ever wondered what some sports statistics mean? You wouldn't be the first! Numbers play a big part in sports. They give us records to beat, and they tell...
Hissy fits come in all shapes and sizes. Mostly, they're just for show, but it pays to get out of the way when some creatures flip their lids! CSI Chapters...
Over the last 150 years, demand for oil has risen sharply - and so has the number of oil spills. What causes spills, and how do they affect our environment?...
Teresa's grandfather tells her that time travel is possible. Can he be serious? How can it be true? CSI Chapters is a leveled collection of 25 original chapter books in...
Receiving a gift is always a nice surprise. But what if the gift will cost money to keep? CSI Chapters is a leveled collection of 25 original chapter books in...
Who says that monsters don't exist? They have before - and still do - but they might not be quite what you imagined. CSI Chapters is a leveled collection of...
What goes up, must come down, right? There are 60 seconds in a minute, aren't there? We don't often ask questions about these simple "facts" of life, but perhaps we...
How do some bugs grow so big? Why are some bugs so dangerous? Take a look to learn about some truly big, "bad" bugs! CSI Chapters is a leveled collection...
Everybody sleeps, it's just a fact of life. Yet what makes us sleep, and exactly what is our mind doing while we sleep? CSI Chapters is a leveled collection of...
What has over 250 razor-sharp teeth, eyes as big as basketballs, and a bite more powerful than a T. rex? Read on, if you dare... CSI Chapters is a leveled...
Is it possible to save too much money? Federico needs to save a lot of money to reach a big goal, but he must learn some important lessons along the...