Biodiversity, in general, refers to the billions of unique living organisms living on Earth and their interactions. The forest ecosystem is a guarantee of biological diversity and the continuation of life. In this book we consider life in the forest. Thank you to the forest.

A letter is waiting for you on the pages of our book. These letters are our passwords, our hero in the forest needs to combine the letters to form the sentence at the end of the book. Passwords can be in an anthill, on a tree branch, under a mushroom, on the ground, in a bird's nest. The imagination of your students will shape our book. Meet me in the woods.

Watch the sky when you go to the forest. Hug a tree. Close your eyes and listen to the forest. Feel the wind. Thanks to the forest.

Now it's your turn... Start moving through the forest. Adventure awaits you.

Nesibe Mat-Mezitli Muhittin Develi Primary School-Mersin, Turkey

Mary began to make her way through the woods. The sounds of birds accompanied her. The sound in her led her to the pine tree. She clung to the tree, closed her eyes. She made contact with the tree. It was full of peace. She raised her head. She saw the letter T on the branch of the tree. She took the letter and put it in her bag. A little further away, red mushrooms attracted her attention.

Alina Mihailescu-Scoala Gimnaziala „Grigore Mihaescu”, Vladești, Romania

The mushrooms were beautifully colored with red hats, white dots and a white leg. Mary was impressed by their beauty:

-She said you were beautiful! Mushrooms are excited. They had never received such a compliment.

Mary studied mushrooms at school and knew a lot about them: their components, their use, how we grow them and how we take care of them. Also, Mary learned at school that mushrooms can be edible, but poisonous mushrooms.

She was surprised to find the letter Mary H next to the mushrooms. This letter H has long been waiting to be discovered by someone. While carefully studying the mushrooms and the letter H, some ants attracted Mary's attention. They were sheltering under the mushrooms...

Arzu Çelik-Barbaros Primary School-Mersin, Turkey

Noticing the ants hiding under the mushrooms, Mary immediately began to study them. When the ants, seeing that Mary was examining their nests, were frightened, Mary told them that they should not be afraid that she would not harm them. Mary, who looks at the ants curiously, can see what she can, there is an A letter in the anthill. Mary, who also received the letter A, said goodbye to the ants after noticing the tiny caterpillar standing in the tree next to her.

Ayşe Karakaya-Türk Telekom Primary School-Mersin, Turkey

Mary couldn't leave without saying hello to the caterpillars.

_ Hi, caterpillar, have a nice day!

_Hi,  little girl, I want to offer you strawberry syrup at my house.

I'm so happy, caterpillar.

Mary sees the letter N floating in the glass while drinking strawberry syrup served by the caterpillar and takes it and puts it in the bag.

It leaves a caterpillar.

Ayşe Karakaya-Türk Telekom Primary Shool-Mersin, Turkey

Mary sees a small stream in the distance. There are gray pebbles on the skin. The letters K on the pebbles attract your attention. She takes one and puts it in her bag. She steps on a pebble and crosses the skin. A fox appears in front of her. A cute fox with vivid orange plumage. Its long tail attracts attention.

Fatma KAYABAŞI - Borsa Istanbul Primary School-Mersin

Mary began to chat with the fox, who appeared in front of her. The fox said that he started collecting food for his lion friend, who was sick.Together with Mary, collecting food, they set out for the lion's house. When she came to the lion's house, Mary saw the letter Y on the doorknob. Mary immediately put the letter Y in her purse. Opening the door, Mary and the fox, who had entered, went to the lion.

Gülay YAĞIZ, Mürüvvet Faik Uğuz Primary School

The lion was lying on the bed and coughing badly. Mary cooked a delicious soup with the food she brought with her. The lion ate the soup with pleasure and thanked Mary.

After a while, they heard a strange sound outside. As Mary was walking to the window She saw the letter O and put it in her pocket. Then he looked out the window and realized that the sound came from the neighboring squirrel. She went out immediately.

Halime SOYSAL, Barbaros Primary School-Mersin, Turkey

She watched with interest as the squirrel climbed the tree and jumped from branch to branch.Noticing that Mary was watching him, the squirrel stooped down.They smiled at each other.The squirrel went up and down the trunk of the tree at a fast pace.

"A lot of fun!" cried Mary.

The squirrel gave Mary a walnut. When Mary was about to take the nut and break it, she noticed the letter U on it. The squirrel pointed with his tail at the walnut tree.

İspir Iuliana-Florentina,

Școala Gimnazială Nr., Structură GPP Dumbrava Minunată, Rm. Vâlcea, Romania

It was as if the walnut had suddenly appeared. The branches hid the nuts, which quelled the squirrel's hunger. But Mary's attention was distracted by a sound that covered the forest. Who was it? The queen bee with her  family.

" Hello, Bee Queen! Mary asked, what wind brings you from the forest.

- We're on a pollen collection journey! But you, what are you doing in the woods, Mary?

- I'm looking for the letter T. I heard it's hidden among the nuts. dec. Have you seen her in any way?

- Yes, Mary! It is hidden among the branches of the fern. ”

Mary thanked the Queen and took the letter T from the fern bush.

Javier Núñez de Arenas CEIP Miguel de Cervantes Saavedra (ALMAGRO-SPAIN)

Mary was very happy when she stumbled across a bottle. Inside the bottle, he found a secret message: "If you want to get that letter, you can look at the Wise Owl".

She waited until the night, and finally he could see the owl. The letter O fell out of one of her feathers, and Mary ran very fast to catch it and put it in her pocket. She was very happy and decided to continue his adventure...

Kader BAYTOK- Şehit Kasım Poyraz Prımary School

Mary got tired while waiting for the owl. That's why she wanted to sleep under the tree. When she woke up, she saw several red and purple tulips. Tulips bore the letter T and said:

'This is for you, Mary!'

Mary was very happy and received the letter. She put it in her pocket and said 'Thank you very much'.

Katarzyna Hałys, Stobierna, Poland

Mary said goodbye to the tulips and continued to sing a happy tune. Suddenly he toppled over and fell. When she got up and stopped crying, she looked around. Here she saw the letter H decoupled among the mosses and lichens that grew in large numbers. Jul was glad to find the letter H, but also because the presence of lichens showed her that the air in the forest is very clean.

Risoleta Montez, Fontainhas, Santarém, Portugal

When she got up, Mary noticed that clinging to a branch was a chameleon. The chameleon is a lizard known for being able to change color. Chameleons vary widely in length, but this one was about 25 centimeters long.

Sensing that he was being watched, the chameleon changed branches and Mary saw the letter E that was under it. So, she picked it up and put it in her bag.

Raquel Lombardi-Estreito De Câmara De Lobos, PortugalEscola B1 PE Covão e Vargem

Mary put the letter she had received in her purse. A movement on the ground attracted her attention. She carefully examined the soil. She dug the ground with her hand. Mary took the grains of earth in her hands. She sniffed. Mary saw insects, plant roots and earthworms living in the soil. Her teacher said it was a soil engineer for the worm. She smiled when she thought of it. While she was picking up the letter F in the soil, she heard the sound of a bird on a branch.

 Raluca-Diana Marinescu-Buzău, RomaniaŞcoala Gimnazială Nr. 11 Buzău

She looked at the branches of the tree. A blue-colored bird said: Hello.

Mary:

-Hello, beautiful bird. Isn't the forest beautiful? Where are your friends?

-It's on a tree branch. Hearing them, the birds came flying in. They gave O letter to Mary. Mary, who had received O letter, looked curiously at the leaves.

Sabiye ACAR Türk Telekom İlkokulu-Mersin,Türkiye

The fallen leaves of the tree ahead caught Mary's attention. She came quickly and excitedly to the tree. While examining the fallen leaves one by one, she saw that there was something under the leaves! It's a big letter R. Unable to hide her amazement, Mary put the letter R in her bag and went to the slowly walking turtle.

Zeynep ŞİMŞEK Borsa İstanbul Primary School Mersin Tarsus

As Mary approached the tortoise, the tortoise hid in the shell she carried on her back to protect herself. Mary was very surprised by this situation. To the turtle, 'I want to be friends with you.' said. At that moment, the turtle immediately stuck its head out. Mary leaned towards the turtle. Mary told the turtle what had happened in the forest. Just as she was about to get up, she saw a bulge in the ground. It was a molehill. She scratched the ground a little and an E came out. He took it and put it in his bag right away. Just then, he came across a mole that was scratching the ground.

Halime SOYSAL-Barbaros Primary School-TÜRKİYE

-Were you the mole brother who dug these pits?

-Yup ! Just me

-I fell into the holes you dug along the way. Why are you digging these holes?

--I'm sorry I dropped you. Actually, I wanted to help you. I was looking for the letter "S" for you.

    The mole told Mary that the letters in her bag were the passwords to the puzzle in the forest. Mary took out the letters from her bag in order. found the password: Thank you to the forest...

    Mary opened her arms. Mary thanked the forest for what she saw, heard, felt and learned in the forest.