Is it just me...

[VALJ]

I found it a bit funny that the picture on the front cover of the NFHS Preseason Guide is captioned "... this block is legal" while the block shown appears to be a block in the back? 

(Yes, I know, need to see the whole block, camera angle, etc. But it sure looks like a BIB to me.)

 

[Rulesman]

Clearly a side block. Not even close to a BIB. Even questionable that it's a blindside block, but I'll err on the side of caution and say it is for the sake of safety.