Jayme Adelson-Goldstein & Norma Shapiro 
Oxford Picture Dictionary Monolingual (American English) dictionary for teenage and adult students [PDF ebook] 

4, 000 words and phrases are organized thematically within 163 topics. Realistic illustrations and exercises are designed to build vocabulary and critical thinking skills. 13 bilingual editions available. A fully integrated vocabulary development program in American English, progressing from essential words to the more complex, delivered in short thematic units. Realistic scenarios and modern artwork are easy to relate to and these, together with story pages and practice exercises, have been applauded for their success in promoting critical thinking skills. Content is fully supported by a range of components – including Workbooks, Classroom Activities, Audio and website.