I recommend books by El Burns. She has several sampler quilt books.
Pioneer Sampler, Stars Across America, Victory quilts to name a few.
Sampler quilts require perfect instructions down to which way to press seams and she is the best for this.
Costs to buy books but hers are worth every penny.
Joanns sells some and you can use a coupon.
Your mother will be hooked on quilting if you use one of her books.
I have made blocks from many different web sites but the instructions are all different for each and putting them togather without the whole quilt directions will be a bear, seams mainly.