What's New

support iOS8.0

App Description

The why "is China's first this popular edition of the encyclopedia, physics, chemistry, astronomy points weather, agriculture, physiological health 5 roll, issue five hundred) that is more than copies. China's young children's film version clubs in January 1961 film version. It is not a book, but as a "set" a version of the works. Its content is very wide, to ask a friend introduced all kinds of ways of scientific knowledge and the text is not long, a shallow development, very He operators in the young readers cognitive style and reading characteristics. It spread knowledge, science popularization in play a positive role, influence generations on the road of science teenagers. In recent years, dubbed the "why" books layer play in endlessly, put a lot of the attention of the frontier problem also into come in, greatly enrich the connotation of the brand.
Books directory:

Why the animal world

Why the information and technology

Why the mystery of the human body

Why sports and country

Why of the plant kingdom

Why the vast universe

Why cultural art

Why of nutrition and health

Why the mystery science

Why the military and the traffic

Why of our earth

Why the Chinese and foreign history

The function of software:
1, iOS5 support.
2, each page preview picture, click on the picture directly into to want to see the page
3. The same page shows the page
4, zoom-in (thumb and index finger operation)
5, support print directly
6, support increased save, fast browsing bookmarks
7, support to send mail books figure and text information

iPhone Screenshots

(click to enlarge)

One hundred thousand whys[youth version] 12 rolls screenshot 1 One hundred thousand whys[youth version] 12 rolls screenshot 2 One hundred thousand whys[youth version] 12 rolls screenshot 3 One hundred thousand whys[youth version] 12 rolls screenshot 4

iPad Screenshots

(click to enlarge)

One hundred thousand whys[youth version] 12 rolls screenshot 5 One hundred thousand whys[youth version] 12 rolls screenshot 6 One hundred thousand whys[youth version] 12 rolls screenshot 7 One hundred thousand whys[youth version] 12 rolls screenshot 8

App Changes

  • June 08, 2014 Initial release
  • June 11, 2014 Price increase: FREE! -> $5.99
  • June 13, 2014 Price decrease: $5.99 -> FREE!
  • July 23, 2014 Price increase: FREE! -> $4.99
  • July 26, 2014 Price decrease: $4.99 -> FREE!
  • July 30, 2014 Price increase: FREE! -> $4.99
  • July 31, 2014 Price decrease: $4.99 -> FREE!
  • August 04, 2014 New version 7.2
  • August 04, 2014 Price increase: FREE! -> $4.99
  • August 11, 2014 Price decrease: $4.99 -> FREE!
  • August 13, 2014 Price increase: FREE! -> $4.99
  • September 02, 2014 Price decrease: $4.99 -> FREE!
  • September 04, 2014 Price increase: FREE! -> $5.99
  • September 18, 2014 Price decrease: $5.99 -> FREE!
  • September 26, 2014 Price increase: FREE! -> $5.99
  • September 27, 2014 Price decrease: $5.99 -> FREE!
  • October 02, 2014 Price increase: FREE! -> $5.99
  • October 04, 2014 Price decrease: $5.99 -> FREE!
  • October 10, 2014 Price increase: FREE! -> $5.99
  • October 14, 2014 Price decrease: $5.99 -> FREE!
  • October 15, 2014 New version 11.0
  • October 19, 2014 Price increase: FREE! -> $4.99
  • October 24, 2014 Price decrease: $4.99 -> FREE!
  • November 03, 2014 Price increase: FREE! -> $4.99
  • November 06, 2014 Price decrease: $4.99 -> FREE!
  • November 10, 2014 Price increase: FREE! -> $4.99
  • November 14, 2014 Price decrease: $4.99 -> FREE!
  • November 19, 2014 Price increase: FREE! -> $4.99
  • November 21, 2014 Price decrease: $4.99 -> FREE!
  • November 25, 2014 Price increase: FREE! -> $4.99
  • December 05, 2014 Price decrease: $4.99 -> FREE!
  • December 16, 2014 Price increase: FREE! -> $4.99
  • December 20, 2014 Price decrease: $4.99 -> FREE!
  • December 28, 2014 Price increase: FREE! -> $4.99
  • January 01, 2015 Price decrease: $4.99 -> FREE!
  • January 04, 2015 Price increase: FREE! -> $4.99
  • January 08, 2015 Price decrease: $4.99 -> FREE!
  • January 27, 2015 Price increase: FREE! -> $4.99
  • January 29, 2015 Price decrease: $4.99 -> FREE!
  • February 06, 2015 Price increase: FREE! -> $4.99
  • February 08, 2015 Price decrease: $4.99 -> FREE!
  • February 13, 2015 Price increase: FREE! -> $4.99
  • February 15, 2015 Price decrease: $4.99 -> FREE!
  • February 19, 2015 Price increase: FREE! -> $4.99
  • February 22, 2015 Price decrease: $4.99 -> FREE!
  • March 01, 2015 Price increase: FREE! -> $4.99
  • March 01, 2015 Price decrease: $4.99 -> FREE!
  • March 05, 2015 Price increase: FREE! -> $4.99
  • March 08, 2015 Price decrease: $4.99 -> FREE!
  • March 12, 2015 Price increase: FREE! -> $4.99
  • March 16, 2015 Price decrease: $4.99 -> FREE!
  • March 20, 2015 Price increase: FREE! -> $4.99
  • March 21, 2015 Price decrease: $4.99 -> FREE!
  • March 24, 2015 Price increase: FREE! -> $4.99
  • March 27, 2015 Price decrease: $4.99 -> FREE!
  • April 14, 2015 Price increase: FREE! -> $4.99
  • April 26, 2015 Price decrease: $4.99 -> FREE!
  • April 27, 2015 Price increase: FREE! -> $4.99
  • April 29, 2015 Price decrease: $4.99 -> FREE!
  • May 04, 2015 Price increase: FREE! -> $4.99
  • May 06, 2015 Price decrease: $4.99 -> FREE!
  • May 11, 2015 Price increase: FREE! -> $4.99
  • May 14, 2015 Price decrease: $4.99 -> FREE!
  • May 18, 2015 Price increase: FREE! -> $4.99
  • May 21, 2015 Price decrease: $4.99 -> FREE!
  • May 26, 2015 Price increase: FREE! -> $4.99
  • May 28, 2015 Price decrease: $4.99 -> FREE!
  • June 01, 2015 Price increase: FREE! -> $4.99
  • June 04, 2015 Price decrease: $4.99 -> FREE!
  • June 09, 2015 Price increase: FREE! -> $4.99
  • June 11, 2015 Price decrease: $4.99 -> FREE!
  • June 15, 2015 Price increase: FREE! -> $4.99
  • June 21, 2015 Price decrease: $4.99 -> FREE!
  • June 23, 2015 Price increase: FREE! -> $4.99
  • June 26, 2015 Price decrease: $4.99 -> FREE!
  • July 01, 2015 Price increase: FREE! -> $4.99
  • July 04, 2015 Price decrease: $4.99 -> FREE!
  • July 07, 2015 Price increase: FREE! -> $4.99
  • July 11, 2015 Price decrease: $4.99 -> FREE!
  • July 15, 2015 Price increase: FREE! -> $4.99
  • July 17, 2015 Price decrease: $4.99 -> FREE!
  • July 29, 2015 Price increase: FREE! -> $4.99
  • August 01, 2015 Price decrease: $4.99 -> FREE!
  • August 05, 2015 Price increase: FREE! -> $4.99
  • August 10, 2015 Price decrease: $4.99 -> FREE!
  • August 13, 2015 Price increase: FREE! -> $4.99
  • August 15, 2015 Price decrease: $4.99 -> FREE!
  • August 19, 2015 Price increase: FREE! -> $4.99
  • August 22, 2015 Price decrease: $4.99 -> FREE!
  • August 25, 2015 Price increase: FREE! -> $4.99

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