When the foundation is strong, we don’t need to worry about how many floors we’re constructing upwards. Likewise in education, if we learn with understanding the concept without memorizing, it will help in our higher studies. Conceptualizations can be done figuratively or animatedly with visualizing the object in realistic manner. This will stimulate the interest in learning and sustain in memory for long. With high resolution ipads in market, the educational content is coming alive in digital format. WHBS presents a series of ebooks in ibookstore for maths and higher secondary biology to facilitate the learning process, an interesting one. Aided with audio visual presentations with full of rich animations, the ebooks is a worth to buy for $4.99 for deeper understanding of the concepts in biology. You can preview before buying and can appreciate your decision that each dollar spent was worth and be ready to spend more.  Click here to view in ibook store directly. Reproduction in organisms: https://itunes.apple.com/us/book/reproduction-in-organisms/id577933874?ls=1  Environmental biology: https://itunes.apple.com/us/book/environmental-biology/id599886497?ls=1