Aki and Lilith are off on another exciting adventure, this time to the world of Ancient Greek mythology. This trip will be particularly dangerous, but the two young Heirs have no choice if they want to find out what catastrophic event is brewing. On the Crystal of Gaea, Aki...

The book was just simply great! Surprises, twists and stuffs! Well I just loved Aki and his amazing adventures!

I am so pleased by The Crystal of Atum. I love Aki and the Spheres of Time series. This book kept up the pace and action found in the previous two books and the characters were well-developed and interesting. I'm really a fan of this series andI cannot wait for...

I had great expectations for the second installment of the series Aki and the Spheres of Time and I enjoy the Crystal of Nammu as much as the book one. In this book Aki goes on his second journey on the parallel crystal where Sumerian gods and creatures are alive...

An amazing surprise. Finished in almost one sitting. This should give an idea about how surprising it was. This is a middle grade but an adult can enjoy as well. The Crystal of Yggdrasil is quick, fast paced and often humorous narration. Aki (Achille...