• The Legend of the volcano, that will be an added value as one of interesting point
• The exciting culture around the volcanoes
• Historical explosion date of the volcano
• Flora and fauna 
• Which village that you can find to guide you to get closer with the volcano
• Showing of the trekking route at the contour map

Tyto Alba (Sumatra Rain Forrest)      

  Swamp in Ujung Kulon National Park (West Java)

• When is the best season for climbing
• Practical guide to climb (such as the equipment, first aid, and how to do when you get injured or have an insect bite during climbing)
• And of course the gorgeous photographs of the volcanoes