you can read their hindi version at-
samveda
?????? - (Gayatri Mantra,Vedas,Scientific Spirituality, AWGP)
atarvaved a
??????? - (Gayatri Mantra,Vedas,Scientific Spirituality, AWGP)
rigveda
????? - (Gayatri Mantra,Vedas,Scientific Spirituality, AWGP)
yagurveda
???????? - (Gayatri Mantra,Vedas,Scientific Spirituality, AWGP)
upanishads
- (Gayatri Mantra,Vedas,Scientific Spirituality, AWGP)