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Popular Paid Books & Reference apps among people in their twenties

Knots Guide
Life Software
** New 2011 Sale: Buy now before price goes up in March! Learn how to tie knots using both step-by-step images and videos! All manner of knots are included: climbing, camping, hitches, loops, etc. All videos have been professionally edite
$5.99
86
1,000+ downloads
|
BOOKS_REFERENCE
Dictionary - M-W Premium
Merriam-Webster Inc.
In addition to all the definitions from Merriam-Webster's Collegiate Dictionary, and all the synonyms and antonyms from Merriam-Webster’s Collegiate Thesaurus, the app offers voice search – to let you look up a word without having to spell
$2.99
88
50,000+ downloads
|
BOOKS_REFERENCE
Hop on Pop - Dr. Seuss
Oceanhouse Media, Inc.
Dive into the world of Dr. Seuss with this interactive book app for young readers! Explore pictures, learn new vocabulary, and follow along with three fun ways to read! Inspire a love of reading with the whimsical rhymes of Dr Seuss! Explo
$3.99
88
5,000+ downloads
|
BOOKS_REFERENCE
ジーニアスMX・明鏡MX
EAST Co., Ltd. (Japan)
【本アプリは『ジーニアス英和辞典第4版・和英辞典第3版』とは異なります】 ※本アプリ『ジーニアスMX・明鏡MX』は「ジーニアス英和辞典」「ジーニアス和英辞典」「明鏡国語辞典」のそれぞれを、モバイル端末向けに簡潔で必要十分な記述に再構成した辞典です。 ※音声や詳しい用例が必要なお客様は、書籍版に発音音声(約10万語)、追加用例(約3万1千)を追加した英和辞典と、全面刷新・用例増強の大改訂版である和英辞典のセット『ジーニアス英和辞典第4版・和英辞典第3版』をお買い求めください。
$18.60
70
1,000+ downloads
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BOOKS_REFERENCE
Moon Phase Pro
Udell Enterprises, Inc
<b>All-new HD imagery!</b> Spectacular, interactive 3D simulation of the moon, right down to the shadows in the craters and earthshine on the dark side. Touch screen control changes date and time as seen from your location - the moon tracks
$.99
94
100,000+ downloads
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BOOKS_REFERENCE
BB - Bedtime Battle
Oceanhouse Media, Inc.
The Berenstain Bears' Bedtime Battle kicks off a new line of Berenstain Bears omBooks for your Android device. ★ Children's Technology Review Editor's Choice Award - September 2011 ★ A featured tablet app by Android Market - August 2011 ★
$3.99
89
10,000+ downloads
|
BOOKS_REFERENCE
Oh, the Places You'll Go!
Oceanhouse Media, Inc.
Oh, the places you'll go when you step inside this interactive book app! Explore pictures, learn new vocabulary, and follow along with three fun ways to read! Today is your day! What mountains will you move? Explore Oh, the Places You'll G
$4.99
92
10,000+ downloads
|
BOOKS_REFERENCE
Moo, Baa, La La La! - Boynton
Loud Crow Interactive Inc.
★★ Children's Technology Review Editor's Choice ★★ ★★ Parents' Choice Recommended ★★ ★★ Kirkus Reviews - Kirkus Star ★★ ★★ Common Sense Media - 5 Stars ★★ JUST MOO IT! Sandra Boynton’s best-selling book of all time comes alive with sound
$3.65
90
5,000+ downloads
|
BOOKS_REFERENCE
Dictionary.com Premium
Dictionary.com, LLC
The #1 AD-FREE Premium English dictionary app for Android since 2010—with over 2,000,000 definitions and synonyms from Dictionary.com & Thesaurus.com! Enjoy exclusive Premium features, like example sentences, no ads and more! ★ Time Magazi
$2.99
93
100,000+ downloads
|
BOOKS_REFERENCE
Universal Book Reader Full Key
Mobile Systems
HOLIDAY SEASON DEAL 6.99$ > 4.99$ This key unlocks UB Reader and removes all advertisements. Please Note: You must have UB Reader FREE version installed and the Full Version Key in order to unlock all your Full Version Key features! Un
$4.99
85
10,000+ downloads
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BOOKS_REFERENCE
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