Time Tunnel Series #1-5

Synopsis:

At the end of the Ice Age, the climate changed and temperature began to rise.

George, Brenda and Jack accidentally opened the mysterious ancient book again. A whirlpool took them into the ancient book and they returned to the Ice Age again to meet up with Water Lord. Three of them and Water Lord descended from the sky and unexpectedly rescued the ancient primitive human, Talos.
Coincidentally, a group of hungry natives discovered their presence. Lennox, the devious son of the Wise Elder, caught the four of them and later handed them to his father.

Can they get away from the predicament of being caught by the natives?
During their escape, they encountered the ferocious carnivorous birds. Can they survive and flee from danger safely?

Time Tunnel Series #3 – Palaeolithic Age (The Irate Fire and the Angry Apes)

Synopsis:

The appearance of a mysterious old man allowed George to start a new adventurous trip to the past by opening the ancient book. This time, George, Brenda and Jack were sent back to the Palaeolithic Age.
Three of them fell into a mysterious jungle where Water Lord had been waiting for them. They met two primitive humans, Ada and Adams, and inadvertently caught in a fiery argument caused by a grudge between the two tribes. In the dispute between Red Master and Grey Master, the two Wise Elders of the tribe, there lurked a big crisis. Everything started from fire and must end with it too.

Time Tunnel Series #4 – Mesolithic Age (The Fierce Crocodile and the Giant Snake)

Synopsis:

Unexpectedly, George, Jack and Brenda went back to the familiar prehistoric era. However, this era seemed to be slightly different from the previous Paleolithic era that they had gone through.

They were then attacked by the huge Purussaurus, a giant caiman at the river in the dense forest. How are they going to get rid of the giant ferocious crocodiles? To their dismay the giant caiman was not the end to the adventurous journey. Titanoboa, the large snake was their biggest threat!

Time Tunnel Series #5 – Neolithic Age (The Seed of Life)

Synopsis:

In the Neolithic Age, a few people discovered a treasure that could secure the survival of life. However, the secret of the treasure was disrupted by an incident. Tony was the key person in finding the treasure. People began to fight for the legendary treasure, turning a peaceful village into a ruthless battlefield.
Why was Tony reluctant to hand over the treasure to stop the war? How did George, Brenda and Jack fight against a pack of fierce red wolves?+