We have riddles to solve and a world to save!

Vladimir Tumanov, known for his fantastic novels that  bring excitement to mathematics and geography, now draws attention to the climate crisis — the most important and urgent problem of today's world. The adventure, which started in Old Scroll (Haritada Kaybolmak), continues in the second book of the "Mysterious Maps" series. This time, the Alt Brothers are swept away in a major flood, embarking on a breathless journey with riddles and clues. The value of knowledge, research and solidarity are emphasized in the novel.  This book reflects on the problems that will determine the future of the world, such as the melting of glaciers, the rise of the oceans and global warming.

Plot

Soon after their aging adventure, the Alt Brothers Chris and Francis find themselves in the middle of a major storm.  The storms turns into a flood, and all the people flee the city where they boys live — including their parents. The children are trapped in an abandoned office building as the water keeps rising.  They have to flee up from floor to floor. Their only hope is offered by a new scroll full of mysterious riddles about the world's oceans! Fortunately, Mariana, who knows all about boats, joins them. The trio, who ends up dragged into the flood by various vehicles such as yachts, barrels, and gondolas, is in a hurry to solve the riddles in order to drain the waters that have swallowed up the whole world...