The Collins COBUILD Illustrated Basic Dictionary of American English is- The Only dictionary that offers Word World boxes that visually present topic-specific vocabulary and improve comprehension. The Only dictionary with embedded Picture Dictionary boxes that provide beginning language learners an enhanced understanding of key terms. The Only dictionary with Spelling Partners and Sound Partners that give the visual and aural support necessary for new English learners. The Only dictionary that features full-sentence, level-appropriate definitions for ALL words and phrases, including full definitions of Dr.Robert Marzanoâ??s list of basic vocabulary terms.