Gallery | Curiosity Cruiser - A Super Library on Wheels

Owlbotron and Northtale make an appearance at the Disaster Relief Efforts Event School Supplies and Library Surprise sponsored by Dollar General in partnership with Kids In Need Foundation and Barbara Bush Houston Literacy Foundation at Isaacs Elementary School Wednesday Oct. 18, 2017.(Dave Rossman Photo)

Owlbotron and Northtale make an appearance at the Disaster Relief Efforts Event School Supplies and Library Surprise sponsored by Dollar General in partnership with Kids In Need Foundation and Barbara Bush Houston Literacy Foundation at Isaacs Elementary School Wednesday Oct. 18, 2017.(Dave Rossman Photo)

Owlbotron and Northtale make an appearance at the Disaster Relief Efforts Event School Supplies and Library Surprise sponsored by Dollar General in partnership with Kids In Need Foundation and Barbara Bush Houston Literacy Foundation at Isaacs Elementary School Wednesday Oct. 18, 2017.(Dave Rossman Photo)

Northtale browses through books at the Disaster Relief Efforts Event School Supplies and Library Surprise sponsored by Dollar General in partnership with Kids In Need Foundation and Barbara Bush Houston Literacy Foundation at Isaacs Elementary School Wednesday Oct. 18, 2017.(Dave Rossman Photo)

Northtale gives a student a high-five at the Disaster Relief Efforts Event School Supplies and Library Surprise sponsored by Dollar General in partnership with Kids In Need Foundation and Barbara Bush Houston Literacy Foundation at Isaacs Elementary School Wednesday Oct. 18, 2017.(Dave Rossman Photo)

Students choose their books with Northtale at the Disaster Relief Efforts Event School Supplies and Library Surprise sponsored by Dollar General in partnership with Kids In Need Foundation and Barbara Bush Houston Literacy Foundation at Isaacs Elementary School Wednesday Oct. 18, 2017.(Dave Rossman Photo)

Students pose with Northtale at the Disaster Relief Efforts Event School Supplies and Library Surprise sponsored by Dollar General in partnership with Kids In Need Foundation and Barbara Bush Houston Literacy Foundation at Isaacs Elementary School Wednesday Oct. 18, 2017.(Dave Rossman Photo)

Owlbotron at the Disaster Relief Efforts Event School Supplies and Library Surprise sponsored by Dollar General in partnership with Kids In Need Foundation and Barbara Bush Houston Literacy Foundation at Isaacs Elementary School Wednesday Oct. 18, 2017.(Dave Rossman Photo)

Students pose with Owlbotron at the Disaster Relief Efforts Event School Supplies and Library Surprise sponsored by Dollar General in partnership with Kids In Need Foundation and Barbara Bush Houston Literacy Foundation at Isaacs Elementary School Wednesday Oct. 18, 2017.(Dave Rossman Photo)

Students pose with Northtale at the Disaster Relief Efforts Event School Supplies and Library Surprise sponsored by Dollar General in partnership with Kids In Need Foundation and Barbara Bush Houston Literacy Foundation at Isaacs Elementary School Wednesday Oct. 18, 2017.(Dave Rossman Photo)

Maria and Neil Bush with students at the Disaster Relief Efforts Event School Supplies and Library Surprise sponsored by Dollar General in partnership with Kids In Need Foundation and Barbara Bush Houston Literacy Foundation at Isaacs Elementary School Wednesday Oct. 18, 2017.(Dave Rossman Photo)

Fourth-grader Xavionna poses with Northtale at the Disaster Relief Efforts Event School Supplies and Library Surprise sponsored by Dollar General in partnership with Kids In Need Foundation and Barbara Bush Houston Literacy Foundation at Isaacs Elementary School Wednesday Oct. 18, 2017.(Dave Rossman Photo)

From left: Julie Baker Finck, Kime Smith and Northtale from the Barbara Bush Houston Literacy Foundation with Gina Palmer and Dave Smith from the Kids in Need Foundation at the Disaster Relief Efforts Event School Supplies and Library Surprise sponsored by Dollar General in partnership with Kids In Need Foundation and Barbara Bush Houston Literacy Foundation at Isaacs Elementary School Wednesday Oct. 18, 2017.(Dave Rossman Photo)