The ESV Study Bible is priced at 59.95.
http://www.logos.com/product/5253/esv-study-bible
It is more expensive than the sum of its parts:
http://www.logos.com/product/1587/english-standard-version 10.00
http://www.logos.com/product/5255/esv-study-bible-notes 39.95
= 49.95
The price has now been reduced to 49.95. Thank you Logos for the quick turn-around!