Bøker i Spectrum-serien

Offers a comprehensive history of the development of mathematics in the US and Canada. This first volume of a two-volume work takes the reader from the European encounters with North America in the fifteenth century up to the emergence of the United States as a world leader in mathematics in the 1930s.

Love, Infidelity... and RegretTracey Lauch's new social life seems perfect.For as long as he can remember, he's felt like an outsider, struggling to make connections. And living as an unknown serial killer certainly hasn't helped.But now, he and his new wife have discovered a circle of friends that begin to fulfill his need for close relationships. He's one step closer to living a "normal" life, despite the persistent cold-case investigators who refuse to give up their pursuit.Remy Martin, a renowned professor of art history and one of Tracey's new friends, also bears emotional scars and has developed an unusual set of rules to protect herself from further heartbreak.However, the stakes rise when she breaks her biggest rule and takes things too far. But how can she resist? She never meant to fall in love - she never meant to hurt anyone.Like Tracey, Remy can't erase her past. She must deal with the consequences of her affair, whatever the cost.A Body Washes Ashore is the pulse-pounding third book in the SPECTRUM SERIES. It will sweep you off your feet and into the heart of mortal danger.

Friends, Secrets... and GriefFor Frank Tomas, life's too short for hard work and monogamy, it's all about instant gratification, even if that means breaking a few rules here and there.Isabelle Ronaldo thinks otherwise and has worked hard all her life to achieve success.But despite their differences, the pair are the best of friends.That is, until they learn of each other's secrets.As they navigate through their own complex lives, Frank and Isabelle are unwittingly drawn closer to a deadly threat. The Parking Lot Strangler is still on the loose, despite the efforts of the U.S. investigators, and is at large again in Europe on another Spectrum river cruise.When their lives finally collide in the city of Strasbourg, France, one person will die, and one person will get away.A heart-stopping ride with near unbearable suspense, Death in a Dark Alley is the second book in the SPECTRUM SERIES.

Adventure, Romance... and DeathAfter escaping her father's threat of an arranged marriage and settling in Madrid, Spain, Gia Delgado enters into an unusual contract with three men she meets in a bar. In exchange for a life of luxury, she'll act as their no-strings wife, whether they want to display her in public or lead her to the bedroom. But there are vital rules: they are all bound to secrecy. And no one is allowed to fall in love. In Raleigh, North Carolina, Tracey Lauch, an eminent judge, is harboring his own secret. Haunted by his past, he kills, and after that first murder, he finds himself driven to do it again - and the Parking Lot Strangler is born. Desperate to break the cycle, he retires and flees to Europe, hoping a change of place will control his desire to kill. Gia and her friends bond as fate draws them closer to Tracey. They meet on the same river cruise through Ukraine, where this tranquil voyage delivers one unwitting victim to their death... giving rise to a new, international serial killer. The Killings Begin intertwines nail-biting contemporary romance with a dark, psychological twist that is sure to leave you wanting more.

Supporting your child's educational journey every step of the way, Spectrum provides specific support in the skills and standards that your child is learning in today's classroom. Comprehensive, grade-specific titles to prepare for the year ahead. Subject

The Spectrum(R) Reading Workbook for fifth grade features 174 pages of illustrated fiction and non-fiction passages, informational texts, and engaging exercises that strengthen students' ability to understand, process, and analyze text.

The Spectrum(R) Reading Workbook for sixth grade features 174 pages of illustrated fiction, informational texts, and engaging exercises that strengthen students' ability to understand, process, and analyze text.

The Spectrum(R) Reading Workbook for kindergarten features 166 pages of fiction and non-fiction reading passages and engaging exercises that strengthen students' ability to understand, process, and analyze text.

The Spectrum(R) Reading Workbook for fourth grade features 174 pages of fiction and non-fiction reading passages and engaging exercises that strengthen students' ability to understand, process, and analyze text.

The Spectrum(R) Reading Workbook for third grade features 174 pages of fiction and non-fiction reading passages and engaging exercises that strengthen students' ability to understand, process, and analyze text.

The Spectrum(R) Writing Workbook for seventh grade features 136 pages of focused practice that guides blossoming writers through the writing, proofreading, and editing process to create a strong foundation for communication and school success.

The Spectrum(R) Writing Workbook for fifth grade features 136 pages of focused practice that guides blossoming writers through the writing, proofreading, and editing process to create a strong foundation for communication and school success.

The Spectrum(R) Writing Workbook for fourth grade features 144 pages of focused practice that guides blossoming writers through the writing, proofreading, and editing process to create a strong foundation for communication and school success.

The Spectrum(R) Writing Workbook for kindergarten features 128 pages of focused practice that guides blossoming writers through the writing, proofreading, and editing process to create a strong foundation for communication and school success.

The Spectrum(R) Writing Workbook for third grade features 136 pages of focused practice that guides blossoming writers through the writing, proofreading, and editing process to create a strong foundation for communication and school success.

The Spectrum(R) Vocabulary Workbook for fourth grade features 160 pages of progressive lessons, strategies, and test-taking practice to help students expand their vocabulary and to improve their communication and reading comprehension skills.

The Spectrum(R) Vocabulary Workbook for sixth grade features 160 pages of progressive lessons, strategies, and test-taking practice to help students expand their vocabulary and to improve their communication and reading comprehension skills.

The Spectrum(R) Sight Words Workbook for first grade features 160 pages of exciting activities and engaging practice that ease young learners into fluent reading.

The Spectrum(R) Phonics Workbook for kindergarten features 144 pages of progressive lessons and practice to help students form words with letter sounds, pairs, and blends. This standards-based workbook is perfect for building and reinforcing reading comprehension skills.

The Spectrum(R) Spelling Workbook for kindergarten features 128 pages of progressive lessons and fun, full-color puzzles and riddles that help students stregthen their spelling skills.

Supporting your child's educational journey every step of the way, Spectrum provides specific support in the skills and standards that your child is learning in today's classroom. Comprehensive, grade-specific titles to prepare for the year ahead. Subject

The Spectrum(R) Writing Workbook for sixth grade features 136 pages of focused practice that guides blossoming writers through the writing, proofreading, and editing process to create a strong foundation for communication and school success.

The Spectrum(R) Phonics Workbook for first grade features 160 pages of progressive lessons, strategies, and practice to help students form words with letter sounds, pairs, and blends. This standards-based workbook is perfect for building and reinforcing reading comprehension skills.

The Spectrum(R) Spelling Workbook for fifth grade features 152 pages of progressive lessons and fun, full-color puzzles and riddles that help students strengthen their spelling skills.

The Spectrum(R) Spelling Workbook for sixth grade features 184 pages of progressive lessons and fun, full-color puzzles and riddles that help students strengthen their spelling skills.

The Spectrum(R) Spelling Workbook for fourth grade features 208 pages of progressive lessons and fun, full-color puzzles and riddles that help students strengthen their spelling skills.