Inventions & Discoveries Knowledge Encyclopedia

When did our ancestors start using tools? How did ancient cultures deal with illnesses? How were new lands discovered? How did scientists learn about the universe and its cosmic secrets? How did people travel before engines were invented? This boxset of 6 encyclopedias on inventions and discoveries will answer these and many more hows and whens for you. Learning is made simpler with

well-labelled diagrams and an extensive glossary of difficult words. Bonus: the books in the boxset come loaded with Isn't It Amazing—a section of fun facts to keep you glued for more.

Ota-bobolarimiz qachon asboblardan foydalanishni boshladilar? Qadimgi madaniyatlar kasalliklarga qanday munosabatda bo'lgan? Qanday qilib yangi erlar kashf qilindi? Olimlar koinot va uning kosmik sirlarini qanday bilib oldilar? Dvigatellar ixtiro qilinishidan oldin odamlar qanday sayohat qilishgan? Ixtirolar va kashfiyotlar bo'yicha 6 ta entsiklopediyadan iborat ushbu quti sizga qanday va qachon javob beradi. Learning bilan oddiy qilingan

yaxshi etiketlangan diagrammalar va qiyin so'zlarning keng lug'ati. Bonus: qutidagi kitoblar Yuklangan bu ajoyib emasmi—sizni ko'proq yopishtirish uchun qiziqarli faktlar bo'limi.