Supercharged Tips to Boost Your SAT Score    by Gail Gallagher
Price: $17.95 USD. 37010 words. Published on August 6, 2009. .
Offers a review of the new verbal, math, and writing sections of the SAT/ PSAT including test tips for sentence completions, reading comprehension, math, vocabulary, grammar, and essay tips in addition to 410 SAT type words with practice exercises. An aid in developing a college-level knowledge base with reading comprehension and math skills applicable to the LSAT, GRE, SAT II’s, and AP tests.

Alphabet Angel to the Rescue    by Elisabeth Seiter
Price: $2.99 USD. 14170 words. Published by Elderberry Press, Inc.  on December 18, 2010. .
This book is a series of short children’s stories with a different letter of the Alphabet emphasized in each story. Some of the words are challenging and a glossary is at the end of each story with simple definitions. We don’t often give our children enough credit for their ability to learn difficult words. This is a fun way of building their vocabulary.

Really Useful English Idioms    by D'Arcy Vallance
Price: $2.99 USD. 9970 words. Published on October 20, 2011. .
Do you want to understand and use more idioms in English? This easy-to-use ebook presents over 140 common idioms used in English today. Short texts, funny cartoons and clear definitions help you understand the idioms and see how to use them. Quick review exercises help you remember them. This practical and entertaining ebook is suitable for intermediate and advanced learners.

Don't Panic 2.0: On-the-Go Practice for the OSSLT    by Corina Koch MacLeod
Price: $2.99 USD. 17450 words. Published by Don't Panic Books  on March 14, 2012. .
Co-authored by Carla Douglas. Don't Panic 2.0: On-the-Go Practice for the OSSLT is the new digital version of the bestselling resource for helping students to prepare for the Ontario Secondary School Literacy Test. Designed to guide teachers while providing ample practice for students. Ready to read on computers, smartphones and a variety of e-readers.

Vokabel-Turbo Englisch 33 einfache Wege aus Deutschen Wörtern hunderte Englische Wörter zu machen ohne Auswendiglernen    by Julia Evers
Price: $3.99 USD. 4800 words. Published on April 10, 2012. .
Den englischen Wortschatz mit Hilfe von Deutsch leicht und schnell erheblich erweitern - und das ohne lästiges Auswendiglernen von Vokabeln! Viele Wörter sind in Deutsch und Englisch identisch oder sehr ähnlich, aber welche sind es? Der Vokabel-Turbo zeigt, wie man sie erkennt und mit einem Schlag hunderte von englischen Vokabeln bereits weiß, einfach weil man bereits Deutsch kann.

Vocabulary Turbo German 33 Easy Ways to Make Hundreds of German Words from English Words without Memorizing    by Julia Evers
Price: $2.99 USD. 5270 words. Published on April 12, 2012. .
Fast and easy German Vocabulary Building using English as a basis - no more need for memorizing! Many words are identical or very similar in English and German. But which ones? Vocabulary Turbo shows how to recognize them and therefore know hundreds of German words instantly, simply by already knowing English.

More 5-Letter Word Puzzles    by Ted Summerfield
Price: $0.99 USD. 6320 words. Published on May 16, 2012. .
If you enjoyed my first 5-letter word puzzle ebook then you'll have even more fun with these 320 new ways to test your vocabulary knowledge. You are given a word or a series of words and you make as many 5-letter words as you can from that word or series of words. Sound simple? Sometimes it is, sometimes it isn't. A great way to increase your vocabulary.