copy rows from multiple worksheets to a new condition based on criteria

hello, i'm new to the forum and need your help:
here is the problem:
I have multiple sheets with the same format.(all columns have same format)
in column "A" i have a value lets say "B1-1".
what i need to do is to copy from all sheets the rows containing in column "A" the same criteria("B1-1") to a new sheet and skip the rows that have a blank cell in Column "A" i appreciate your help in advance
hope the problem explanation is clear.