Level One introduces key words, numbers, phrases, sentence structure, and basic grammar. Level Two teaches more challenging vocabulary, more grammar, more complex sentences, generating confidence in your ability to comprehend and converse. Level Three offers expanded vocabulary, advanced grammar, and complex sentences to fine-tune your conversational skills.

Car detective Jack Colby returns to solve a "dual-engine puzzle . . . Sleekly designed to appeal to both automobile buffs and cozy fans" (Booklist).

A call from Jack Colby's fiery ex-wife Eva always means trouble. This time it's a doozy. She's been accused of murdering her husband, a Mexican band leader shot to death on the towpath of the River Medway. But Jack's race to the rescue comes with a slight detour: his other client,...

"Quiet and rechargeable, electric cars are becoming more popular. Learn about these energy-saving cars and discover what makes them different from other rides." --

"Race cars are made for speed. Zoom through this book to see how race cars are specially designed to move fast and offer peak performance." --