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	1.	Image from Google Jackets Image from OpenLibrary Custom cover image	The railway train : how it works by Roy, Navkala Material type: Text Language: Eng Publication details: New Delhi Children's Book Trust 1998 Availability: Items available for loan: Nepal National Library (1)Call number: C 385 R812r 1998. Add to cart (remove)
	2.	Image from Google Jackets Image from OpenLibrary Custom cover image	The Railway train : how it works by Roy, Navkala Material type: Text Language: Eng Publication details: 2003 Availability: Items available for loan: Nepal National Library (1)Call number: C 600 R812r 2003. Add to cart (remove)
	3.	Image from Google Jackets Image from OpenLibrary Custom cover image	The clock how it works by Roy, Navkala Material type: Text Language: Eng Publication details: 1988 Availability: Items available for loan: Nepal National Library (1)Call number: C 681.113 R812c 1988. Add to cart (remove)
	4.	Image from Google Jackets Image from OpenLibrary Custom cover image	Television how it works by Roy, Navkala Material type: Text Language: Eng Publication details: 2003 Availability: Items available for loan: Nepal National Library (2)Call number: C 384.55 R812t 2003, ... Add to cart (remove)
	5.	Image from Google Jackets Image from OpenLibrary Custom cover image	The railway train : how it works by Roy, Navkala Material type: Text Language: Eng Publication details: New Delhi Children's Book Trust 2003 Availability: Items available for loan: Nepal National Library (1)Call number: C 600 R812r 2003. Add to cart (remove)
	6.	Image from Google Jackets Image from OpenLibrary Custom cover image	How it works the ship by Roy, Navkala Material type: Text Language: Eng Publication details: 2003 Availability: Items available for loan: Nepal National Library (1)Call number: C 387.2 R812s 2003. Add to cart (remove)
	7.	Image from Google Jackets Image from OpenLibrary Custom cover image	The telephone : how it works by Roy, Navkala Material type: Text Language: Eng Publication details: 1879 Availability: Items available for loan: Nepal National Library (1)Call number: C 384.6 R812t 1879. Add to cart (remove)
	8.	Image from Google Jackets Image from OpenLibrary Custom cover image	The telephone : how it works by Roy, Navkala Material type: Text Language: Eng Publication details: 2003 Availability: Items available for loan: Nepal National Library (1)Call number: C 384.6 R812t 2003. Add to cart (remove)
	9.	Image from Google Jackets Image from OpenLibrary Custom cover image	The telephone : how it works by Roy, Navkala Material type: Text Language: Eng Publication details: 1979 Availability: Items available for loan: Nepal National Library (1)Call number: C 384.6 R812t 1979. Add to cart (remove)
	10.	Image from Google Jackets Image from OpenLibrary Custom cover image	The motor car : how it works by Roy, Navkala Material type: Text Language: Eng Publication details: 1986 Availability: Items available for loan: Nepal National Library (2)Call number: C 388.04 R812m 1986, ... Add to cart (remove)
	11.	Image from Google Jackets Image from OpenLibrary Custom cover image	The clock : how it works by Roy, Navkala Material type: Text Language: Eng Publication details: 2004 Availability: Items available for loan: Nepal National Library (1)Call number: C 681.113 R812c 2004. Add to cart (remove)
	12.	Image from Google Jackets Image from OpenLibrary Custom cover image	The Aeroplane : how it works by Roy, Navkala Material type: Text Language: Eng Publication details: 2003 Availability: Items available for loan: Nepal National Library (2)Call number: C 600 R812a 2003, ... Add to cart (remove)