Sandra Bullock: Inside Her Life with Son Louis

Sandra Bullock

updated 05/08/2012 AT 3:00 PM ET

originally published 05/09/2012 AT 8:00 AM ET

Sandra Bullock, meet Thomas the Tank Engine.

The actress recently took her 2-year-old son Louis to a meet-and-greet with a full-size version of the famous train – one of many Mommy-and-me outings for the inseparable duo.

“Being a mom is her total focus now,” a Bullock source tells PEOPLE in this week’s cover story. Along with her work, “Louis has become her whole life.”

Currently renovating a $16 million Beverly Hills mansion, the Oscar winner, 47, regularly shuttles between work at her Fortis Films production office and her son’s preschool.

“She is raising Louis as a single mom, and she never thought it would be this way,” says another Bullock source. “She’s still trying to figure out [her new life].”

For more on Sandra and Louis, pick up this week’s PEOPLE, on newsstands everywhere Friday


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