Weakland, Mark

"Explore the powerful records set in baseball, including who set them and if they might ever be broken"--Provided by publisher.

"Compare and contrast the different horned dinosaurs to see which ones were the fastest, strongest, and smartest"--Provided by publisher.

"Compare and contrast the different flying reptiles to see which ones were the fastest, strongest, and smartest"--Provided by publisher.

Readers join the gang as they explore the ancient ruins, learn about the Incas who called this city home, and use the clues to silence this mystery once and for all.

Readers join the gang as they explore the pyramids, learn about Giza's ancient people, and use the clues to wrap up the mystery of three phantoms haunting the pyramids.

Readers join the gang as they explore the cliff dwellings, learn about the ancient Anasazi who called these dwellings home, and use the clues to solve the mystery.

Readers join the gang as they explore the ancient city, learn about the Romans who called Pompeii home, and discover what happened that fateful day that changed everything.

Describes the science behind unusual sources of energy that could be used in place of fossil fuels.

"Who will I meet at school? All the people . . . at school care about kids, from the principal to the music teacher, the school nurse to the cooks and custodians. A 1st-person student narrator introduces young readers to common members of a diverse elementary-school community and explains the work they do"--Provided by publisher.

"How do I find my way around school? [This book] . . . gives young readers the grand tour through all the rooms and special areas that make up an elementary-school building. . . . The tour takes kids to the front office, the library, the gym, the nurse's office, and other rooms"--Provided by publisher.