The first issue. The entire issue can be downloaded here.
Four daring Americans enter a lost valley to discover a horrifying world of living metal which plots the annihilation of mankind
This entire book can be read here
via, via, via and via
Also includes Against The Fall Of Night
Number 3 (and last) of the Avon Science Fiction Readers
Why Had This Metal Man Become A Ravaging Monster?
Explaining Technocracy: A Revolution Without Bloodshed
Thirty Million Out Of Work in 1933 — Or $20,000 A Year Income For Every Family — Which?
This rare, Depression-era one-shot was published in 1933
Those two look a litle robosexual to me.